21461130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{613}}^1$

素因数の和:1015

約数の個数: 48

約数和(自身を含む): 56033640

約数和(自身を除く): 34572510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 389, 613, 778, 1167, 1226, 1839, 1945, 2334, 3065, 3501, 3678, 3890, 5517, 5835, 6130, 7002, 9195, 11034, 11670, 17505, 18390, 27585, 35010, 55170, 238457, 476914, 715371, 1192285, 1430742, 2146113, 2384570, 3576855, 4292226, 7153710, 10730565, 21461130]

約数ペア:

[(1, 21461130), (2, 10730565), (3, 7153710), (5, 4292226), (6, 3576855), (9, 2384570), (10, 2146113), (15, 1430742), (18, 1192285), (30, 715371), (45, 476914), (90, 238457), (389, 55170), (613, 35010), (778, 27585), (1167, 18390), (1226, 17505), (1839, 11670), (1945, 11034), (2334, 9195), (3065, 7002), (3501, 6130), (3678, 5835), (3890, 5517)]