21105847140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{155579}}^1$

素因数の和:155634

約数の個数: 192

約数和(自身を含む): 75275827200

約数和(自身を除く): 54169980060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 28, 30, 34, 35, 38, 42, 51, 57, 60, 68, 70, 76, 84, 85, 95, 102, 105, 114, 119, 133, 140, 170, 190, 204, 210, 228, 238, 255, 266, 285, 323, 340, 357, 380, 399, 420, 476, 510, 532, 570, 595, 646, 665, 714, 798, 969, 1020, 1140, 1190, 1292, 1330, 1428, 1596, 1615, 1785, 1938, 1995, 2261, 2380, 2660, 3230, 3570, 3876, 3990, 4522, 4845, 6460, 6783, 7140, 7980, 9044, 9690, 11305, 13566, 19380, 22610, 27132, 33915, 45220, 67830, 135660, 155579, 311158, 466737, 622316, 777895, 933474, 1089053, 1555790, 1866948, 2178106, 2333685, 2644843, 2956001, 3111580, 3267159, 4356212, 4667370, 5289686, 5445265, 5912002, 6534318, 7934529, 8868003, 9334740, 10579372, 10890530, 11824004, 13068636, 13224215, 14780005, 15869058, 16335795, 17736006, 18513901, 20692007, 21781060, 26448430, 29560010, 31738116, 32671590, 35472012, 37027802, 39672645, 41384014, 44340015, 50252017, 52896860, 55541703, 59120020, 62076021, 65343180, 74055604, 79345290, 82768028, 88680030, 92569505, 100504034, 103460035, 111083406, 124152042, 150756051, 158690580, 177360060, 185139010, 201008068, 206920070, 222166812, 248304084, 251260085, 277708515, 301512102, 310380105, 351764119, 370278020, 413840140, 502520170, 555417030, 603024204, 620760210, 703528238, 753780255, 1005040340, 1055292357, 1110834060, 1241520420, 1407056476, 1507560510, 1758820595, 2110584714, 3015121020, 3517641190, 4221169428, 5276461785, 7035282380, 10552923570, 21105847140]

約数ペア:

[(1, 21105847140), (2, 10552923570), (3, 7035282380), (4, 5276461785), (5, 4221169428), (6, 3517641190), (7, 3015121020), (10, 2110584714), (12, 1758820595), (14, 1507560510), (15, 1407056476), (17, 1241520420), (19, 1110834060), (20, 1055292357), (21, 1005040340), (28, 753780255), (30, 703528238), (34, 620760210), (35, 603024204), (38, 555417030), (42, 502520170), (51, 413840140), (57, 370278020), (60, 351764119), (68, 310380105), (70, 301512102), (76, 277708515), (84, 251260085), (85, 248304084), (95, 222166812), (102, 206920070), (105, 201008068), (114, 185139010), (119, 177360060), (133, 158690580), (140, 150756051), (170, 124152042), (190, 111083406), (204, 103460035), (210, 100504034), (228, 92569505), (238, 88680030), (255, 82768028), (266, 79345290), (285, 74055604), (323, 65343180), (340, 62076021), (357, 59120020), (380, 55541703), (399, 52896860), (420, 50252017), (476, 44340015), (510, 41384014), (532, 39672645), (570, 37027802), (595, 35472012), (646, 32671590), (665, 31738116), (714, 29560010), (798, 26448430), (969, 21781060), (1020, 20692007), (1140, 18513901), (1190, 17736006), (1292, 16335795), (1330, 15869058), (1428, 14780005), (1596, 13224215), (1615, 13068636), (1785, 11824004), (1938, 10890530), (1995, 10579372), (2261, 9334740), (2380, 8868003), (2660, 7934529), (3230, 6534318), (3570, 5912002), (3876, 5445265), (3990, 5289686), (4522, 4667370), (4845, 4356212), (6460, 3267159), (6783, 3111580), (7140, 2956001), (7980, 2644843), (9044, 2333685), (9690, 2178106), (11305, 1866948), (13566, 1555790), (19380, 1089053), (22610, 933474), (27132, 777895), (33915, 622316), (45220, 466737), (67830, 311158), (135660, 155579)]