2021021860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{283}}^1$

素因数の和:554

約数の個数: 144

約数和(自身を含む): 5063865408

約数和(自身を除く): 3042843548

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 227, 242, 260, 283, 286, 454, 484, 566, 572, 605, 715, 908, 1132, 1135, 1210, 1415, 1430, 1573, 2270, 2420, 2497, 2830, 2860, 2951, 3113, 3146, 3679, 4540, 4994, 5660, 5902, 6226, 6292, 7358, 7865, 9988, 11804, 12452, 12485, 14716, 14755, 15565, 15730, 18395, 24970, 27467, 29510, 31130, 31460, 32461, 34243, 36790, 40469, 49940, 54934, 59020, 62260, 64241, 64922, 68486, 73580, 80938, 109868, 128482, 129844, 136972, 137335, 161876, 162305, 171215, 202345, 256964, 274670, 321205, 324610, 342430, 357071, 404690, 445159, 549340, 642410, 649220, 684860, 706651, 714142, 809380, 835133, 890318, 1284820, 1413302, 1428284, 1670266, 1780636, 1785355, 2225795, 2826604, 3340532, 3533255, 3570710, 4175665, 4451590, 7066510, 7141420, 7773161, 8351330, 8903180, 9186463, 14133020, 15546322, 16702660, 18372926, 31092644, 36745852, 38865805, 45932315, 77731610, 91864630, 101051093, 155463220, 183729260, 202102186, 404204372, 505255465, 1010510930, 2021021860]

約数ペア:

[(1, 2021021860), (2, 1010510930), (4, 505255465), (5, 404204372), (10, 202102186), (11, 183729260), (13, 155463220), (20, 101051093), (22, 91864630), (26, 77731610), (44, 45932315), (52, 38865805), (55, 36745852), (65, 31092644), (110, 18372926), (121, 16702660), (130, 15546322), (143, 14133020), (220, 9186463), (227, 8903180), (242, 8351330), (260, 7773161), (283, 7141420), (286, 7066510), (454, 4451590), (484, 4175665), (566, 3570710), (572, 3533255), (605, 3340532), (715, 2826604), (908, 2225795), (1132, 1785355), (1135, 1780636), (1210, 1670266), (1415, 1428284), (1430, 1413302), (1573, 1284820), (2270, 890318), (2420, 835133), (2497, 809380), (2830, 714142), (2860, 706651), (2951, 684860), (3113, 649220), (3146, 642410), (3679, 549340), (4540, 445159), (4994, 404690), (5660, 357071), (5902, 342430), (6226, 324610), (6292, 321205), (7358, 274670), (7865, 256964), (9988, 202345), (11804, 171215), (12452, 162305), (12485, 161876), (14716, 137335), (14755, 136972), (15565, 129844), (15730, 128482), (18395, 109868), (24970, 80938), (27467, 73580), (29510, 68486), (31130, 64922), (31460, 64241), (32461, 62260), (34243, 59020), (36790, 54934), (40469, 49940)]