21797430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1123}}^1$

素因数の和:1780

約数の個数: 32

約数和(自身を含む): 52441344

約数和(自身を除く): 30643914

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 647, 1123, 1294, 1941, 2246, 3235, 3369, 3882, 5615, 6470, 6738, 9705, 11230, 16845, 19410, 33690, 726581, 1453162, 2179743, 3632905, 4359486, 7265810, 10898715, 21797430]

約数ペア:

[(1, 21797430), (2, 10898715), (3, 7265810), (5, 4359486), (6, 3632905), (10, 2179743), (15, 1453162), (30, 726581), (647, 33690), (1123, 19410), (1294, 16845), (1941, 11230), (2246, 9705), (3235, 6738), (3369, 6470), (3882, 5615)]