21820710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6673}}^1$

素因数の和:6792

約数の個数: 32

約数和(自身を含む): 52858080

約数和(自身を除く): 31037370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 109, 218, 327, 545, 654, 1090, 1635, 3270, 6673, 13346, 20019, 33365, 40038, 66730, 100095, 200190, 727357, 1454714, 2182071, 3636785, 4364142, 7273570, 10910355, 21820710]

約数ペア:

[(1, 21820710), (2, 10910355), (3, 7273570), (5, 4364142), (6, 3636785), (10, 2182071), (15, 1454714), (30, 727357), (109, 200190), (218, 100095), (327, 66730), (545, 40038), (654, 33365), (1090, 20019), (1635, 13346), (3270, 6673)]