21413704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1889}}^1$

素因数の和:2017

約数の個数: 32

約数和(自身を含む): 43659000

約数和(自身を除く): 22245296

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 1889, 2834, 3778, 5668, 7556, 11336, 15112, 24557, 49114, 98228, 196456, 205901, 411802, 823604, 1647208, 2676713, 5353426, 10706852, 21413704]

約数ペア:

[(1, 21413704), (2, 10706852), (4, 5353426), (8, 2676713), (13, 1647208), (26, 823604), (52, 411802), (104, 205901), (109, 196456), (218, 98228), (436, 49114), (872, 24557), (1417, 15112), (1889, 11336), (2834, 7556), (3778, 5668)]