21738402

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:588

約数の個数: 64

約数和(自身を含む): 55756800

約数和(自身を除く): 34018398

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 131, 189, 262, 378, 393, 439, 786, 878, 917, 1179, 1317, 1834, 2358, 2634, 2751, 3073, 3537, 3951, 5502, 6146, 7074, 7902, 8253, 9219, 11853, 16506, 18438, 23706, 24759, 27657, 49518, 55314, 57509, 82971, 115018, 165942, 172527, 345054, 402563, 517581, 805126, 1035162, 1207689, 1552743, 2415378, 3105486, 3623067, 7246134, 10869201, 21738402]

約数ペア:

[(1, 21738402), (2, 10869201), (3, 7246134), (6, 3623067), (7, 3105486), (9, 2415378), (14, 1552743), (18, 1207689), (21, 1035162), (27, 805126), (42, 517581), (54, 402563), (63, 345054), (126, 172527), (131, 165942), (189, 115018), (262, 82971), (378, 57509), (393, 55314), (439, 49518), (786, 27657), (878, 24759), (917, 23706), (1179, 18438), (1317, 16506), (1834, 11853), (2358, 9219), (2634, 8253), (2751, 7902), (3073, 7074), (3537, 6146), (3951, 5502)]