21902760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5531}}^1$

素因数の和:5559

約数の個数: 96

約数和(自身を含む): 77669280

約数和(自身を除く): 55766520

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, 5531, 11062, 16593, 22124, 27655, 33186, 44248, 49779, 55310, 60841, 66372, 82965, 99558, 110620, 121682, 132744, 165930, 182523, 199116, 221240, 243364, 248895, 304205, 331860, 365046, 398232, 486728, 497790, 547569, 608410, 663720, 730092, 912615, 995580, 1095138, 1216820, 1460184, 1825230, 1991160, 2190276, 2433640, 2737845, 3650460, 4380552, 5475690, 7300920, 10951380, 21902760]

約数ペア:

[(1, 21902760), (2, 10951380), (3, 7300920), (4, 5475690), (5, 4380552), (6, 3650460), (8, 2737845), (9, 2433640), (10, 2190276), (11, 1991160), (12, 1825230), (15, 1460184), (18, 1216820), (20, 1095138), (22, 995580), (24, 912615), (30, 730092), (33, 663720), (36, 608410), (40, 547569), (44, 497790), (45, 486728), (55, 398232), (60, 365046), (66, 331860), (72, 304205), (88, 248895), (90, 243364), (99, 221240), (110, 199116), (120, 182523), (132, 165930), (165, 132744), (180, 121682), (198, 110620), (220, 99558), (264, 82965), (330, 66372), (360, 60841), (396, 55310), (440, 49779), (495, 44248), (660, 33186), (792, 27655), (990, 22124), (1320, 16593), (1980, 11062), (3960, 5531)]