21378762020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1\times {\mathrm{619}}^1$

素因数の和:1234

約数の個数: 192

約数和(自身を含む): 57536317440

約数和(自身を除く): 36157555420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 41, 44, 55, 70, 77, 82, 110, 140, 154, 164, 205, 220, 287, 308, 385, 410, 451, 547, 574, 619, 770, 820, 902, 1094, 1148, 1238, 1435, 1540, 1804, 2188, 2255, 2476, 2735, 2870, 3095, 3157, 3829, 4333, 4510, 5470, 5740, 6017, 6190, 6314, 6809, 7658, 8666, 9020, 10940, 12034, 12380, 12628, 13618, 15316, 15785, 17332, 19145, 21665, 22427, 24068, 25379, 27236, 30085, 31570, 34045, 38290, 42119, 43330, 44854, 47663, 50758, 60170, 63140, 68090, 76580, 84238, 86660, 89708, 95326, 101516, 112135, 120340, 126895, 136180, 156989, 168476, 177653, 190652, 210595, 224270, 238315, 246697, 253790, 279169, 313978, 338593, 355306, 421190, 448540, 476630, 493394, 507580, 558338, 627956, 677186, 710612, 784945, 842380, 888265, 953260, 986788, 1116676, 1233485, 1354372, 1395845, 1569890, 1692965, 1726879, 1776530, 1954183, 2370151, 2466970, 2791690, 3139780, 3385930, 3453758, 3553060, 3724523, 3908366, 4740302, 4933940, 5583380, 6771860, 6907516, 7449046, 7816732, 8634395, 9480604, 9770915, 11850755, 13882313, 14898092, 17268790, 18622615, 19541830, 23701510, 26071661, 27764626, 34537580, 37245230, 39083660, 47403020, 52143322, 55529252, 69411565, 74490460, 97176191, 104286644, 130358305, 138823130, 152705443, 194352382, 260716610, 277646260, 305410886, 388704764, 485880955, 521433220, 610821772, 763527215, 971761910, 1068938101, 1527054430, 1943523820, 2137876202, 3054108860, 4275752404, 5344690505, 10689381010, 21378762020]

約数ペア:

[(1, 21378762020), (2, 10689381010), (4, 5344690505), (5, 4275752404), (7, 3054108860), (10, 2137876202), (11, 1943523820), (14, 1527054430), (20, 1068938101), (22, 971761910), (28, 763527215), (35, 610821772), (41, 521433220), (44, 485880955), (55, 388704764), (70, 305410886), (77, 277646260), (82, 260716610), (110, 194352382), (140, 152705443), (154, 138823130), (164, 130358305), (205, 104286644), (220, 97176191), (287, 74490460), (308, 69411565), (385, 55529252), (410, 52143322), (451, 47403020), (547, 39083660), (574, 37245230), (619, 34537580), (770, 27764626), (820, 26071661), (902, 23701510), (1094, 19541830), (1148, 18622615), (1238, 17268790), (1435, 14898092), (1540, 13882313), (1804, 11850755), (2188, 9770915), (2255, 9480604), (2476, 8634395), (2735, 7816732), (2870, 7449046), (3095, 6907516), (3157, 6771860), (3829, 5583380), (4333, 4933940), (4510, 4740302), (5470, 3908366), (5740, 3724523), (6017, 3553060), (6190, 3453758), (6314, 3385930), (6809, 3139780), (7658, 2791690), (8666, 2466970), (9020, 2370151), (10940, 1954183), (12034, 1776530), (12380, 1726879), (12628, 1692965), (13618, 1569890), (15316, 1395845), (15785, 1354372), (17332, 1233485), (19145, 1116676), (21665, 986788), (22427, 953260), (24068, 888265), (25379, 842380), (27236, 784945), (30085, 710612), (31570, 677186), (34045, 627956), (38290, 558338), (42119, 507580), (43330, 493394), (44854, 476630), (47663, 448540), (50758, 421190), (60170, 355306), (63140, 338593), (68090, 313978), (76580, 279169), (84238, 253790), (86660, 246697), (89708, 238315), (95326, 224270), (101516, 210595), (112135, 190652), (120340, 177653), (126895, 168476), (136180, 156989)]