21227342

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{1009}}^1$

素因数の和:1235

約数の個数: 16

約数和(自身を含む): 32554320

約数和(自身を除く): 11326978

約数列:

[1, 2, 67, 134, 157, 314, 1009, 2018, 10519, 21038, 67603, 135206, 158413, 316826, 10613671, 21227342]

約数ペア:

[(1, 21227342), (2, 10613671), (67, 316826), (134, 158413), (157, 135206), (314, 67603), (1009, 21038), (2018, 10519)]