21000273862

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{1439}}^1\times {\mathrm{70843}}^1$

素因数の和:72387

約数の個数: 16

約数和(自身を含む): 31828792320

約数和(自身を除く): 10828518458

約数列:

[1, 2, 103, 206, 1439, 2878, 70843, 141686, 148217, 296434, 7296829, 14593658, 101943077, 203886154, 10500136931, 21000273862]

約数ペア:

[(1, 21000273862), (2, 10500136931), (103, 203886154), (206, 101943077), (1439, 14593658), (2878, 7296829), (70843, 296434), (141686, 148217)]