21819270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1787}}^1$

素因数の和:1845

約数の個数: 64

約数和(自身を含む): 58703616

約数和(自身を除く): 36884346

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 37, 55, 66, 74, 110, 111, 165, 185, 222, 330, 370, 407, 555, 814, 1110, 1221, 1787, 2035, 2442, 3574, 4070, 5361, 6105, 8935, 10722, 12210, 17870, 19657, 26805, 39314, 53610, 58971, 66119, 98285, 117942, 132238, 196570, 198357, 294855, 330595, 396714, 589710, 661190, 727309, 991785, 1454618, 1983570, 2181927, 3636545, 4363854, 7273090, 10909635, 21819270]

約数ペア:

[(1, 21819270), (2, 10909635), (3, 7273090), (5, 4363854), (6, 3636545), (10, 2181927), (11, 1983570), (15, 1454618), (22, 991785), (30, 727309), (33, 661190), (37, 589710), (55, 396714), (66, 330595), (74, 294855), (110, 198357), (111, 196570), (165, 132238), (185, 117942), (222, 98285), (330, 66119), (370, 58971), (407, 53610), (555, 39314), (814, 26805), (1110, 19657), (1221, 17870), (1787, 12210), (2035, 10722), (2442, 8935), (3574, 6105), (4070, 5361)]