21470618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15581}}^1$

素因数の和:15649

約数の個数: 16

約数和(自身を含む): 35339976

約数和(自身を除く): 13869358

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 15581, 31162, 202553, 405106, 825793, 1651586, 10735309, 21470618]

約数ペア:

[(1, 21470618), (2, 10735309), (13, 1651586), (26, 825793), (53, 405106), (106, 202553), (689, 31162), (1378, 15581)]