21894090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2693}}^1$

素因数の和:2974

約数の個数: 32

約数和(自身を含む): 52759296

約数和(自身を除く): 30865206

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 271, 542, 813, 1355, 1626, 2693, 2710, 4065, 5386, 8079, 8130, 13465, 16158, 26930, 40395, 80790, 729803, 1459606, 2189409, 3649015, 4378818, 7298030, 10947045, 21894090]

約数ペア:

[(1, 21894090), (2, 10947045), (3, 7298030), (5, 4378818), (6, 3649015), (10, 2189409), (15, 1459606), (30, 729803), (271, 80790), (542, 40395), (813, 26930), (1355, 16158), (1626, 13465), (2693, 8130), (2710, 8079), (4065, 5386)]