21308760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5381}}^1$

素因数の和:5409

約数の個数: 96

約数和(自身を含む): 75563280

約数和(自身を除く): 54254520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5381, 10762, 16143, 21524, 26905, 32286, 43048, 48429, 53810, 59191, 64572, 80715, 96858, 107620, 118382, 129144, 161430, 177573, 193716, 215240, 236764, 242145, 295955, 322860, 355146, 387432, 473528, 484290, 532719, 591910, 645720, 710292, 887865, 968580, 1065438, 1183820, 1420584, 1775730, 1937160, 2130876, 2367640, 2663595, 3551460, 4261752, 5327190, 7102920, 10654380, 21308760]

約数ペア:

[(1, 21308760), (2, 10654380), (3, 7102920), (4, 5327190), (5, 4261752), (6, 3551460), (8, 2663595), (9, 2367640), (10, 2130876), (11, 1937160), (12, 1775730), (15, 1420584), (18, 1183820), (20, 1065438), (22, 968580), (24, 887865), (30, 710292), (33, 645720), (36, 591910), (40, 532719), (44, 484290), (45, 473528), (55, 387432), (60, 355146), (66, 322860), (72, 295955), (88, 242145), (90, 236764), (99, 215240), (110, 193716), (120, 177573), (132, 161430), (165, 129144), (180, 118382), (198, 107620), (220, 96858), (264, 80715), (330, 64572), (360, 59191), (396, 53810), (440, 48429), (495, 43048), (660, 32286), (792, 26905), (990, 21524), (1320, 16143), (1980, 10762), (3960, 5381)]