21613428

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4583}}^1$

素因数の和:4724

約数の個数: 36

約数和(自身を含む): 55063008

約数和(自身を除く): 33449580

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4583, 4716, 9166, 13749, 18332, 27498, 41247, 54996, 82494, 164988, 600373, 1200746, 1801119, 2401492, 3602238, 5403357, 7204476, 10806714, 21613428]

約数ペア:

[(1, 21613428), (2, 10806714), (3, 7204476), (4, 5403357), (6, 3602238), (9, 2401492), (12, 1801119), (18, 1200746), (36, 600373), (131, 164988), (262, 82494), (393, 54996), (524, 41247), (786, 27498), (1179, 18332), (1572, 13749), (2358, 9166), (4583, 4716)]