21551133780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1209379}}^1$

素因数の和:1209411

約数の個数: 120

約数和(自身を含む): 73752829920

約数和(自身を除く): 52201696140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1188, 1485, 1620, 1782, 1980, 2970, 3564, 4455, 5940, 8910, 17820, 1209379, 2418758, 3628137, 4837516, 6046895, 7256274, 10884411, 12093790, 13303169, 14512548, 18140685, 21768822, 24187580, 26606338, 32653233, 36281370, 39909507, 43537644, 53212676, 54422055, 65306466, 66515845, 72562740, 79819014, 97959699, 108844110, 119728521, 130612932, 133031690, 159638028, 163266165, 195919398, 199547535, 217688220, 239457042, 266063380, 326532330, 359185563, 391838796, 399095070, 478914084, 489798495, 598642605, 653064660, 718371126, 798190140, 979596990, 1077556689, 1197285210, 1436742252, 1795927815, 1959193980, 2155113378, 2394570420, 3591855630, 4310226756, 5387783445, 7183711260, 10775566890, 21551133780]

約数ペア:

[(1, 21551133780), (2, 10775566890), (3, 7183711260), (4, 5387783445), (5, 4310226756), (6, 3591855630), (9, 2394570420), (10, 2155113378), (11, 1959193980), (12, 1795927815), (15, 1436742252), (18, 1197285210), (20, 1077556689), (22, 979596990), (27, 798190140), (30, 718371126), (33, 653064660), (36, 598642605), (44, 489798495), (45, 478914084), (54, 399095070), (55, 391838796), (60, 359185563), (66, 326532330), (81, 266063380), (90, 239457042), (99, 217688220), (108, 199547535), (110, 195919398), (132, 163266165), (135, 159638028), (162, 133031690), (165, 130612932), (180, 119728521), (198, 108844110), (220, 97959699), (270, 79819014), (297, 72562740), (324, 66515845), (330, 65306466), (396, 54422055), (405, 53212676), (495, 43537644), (540, 39909507), (594, 36281370), (660, 32653233), (810, 26606338), (891, 24187580), (990, 21768822), (1188, 18140685), (1485, 14512548), (1620, 13303169), (1782, 12093790), (1980, 10884411), (2970, 7256274), (3564, 6046895), (4455, 4837516), (5940, 3628137), (8910, 2418758), (17820, 1209379)]