21167154142

素因数分解:

$2^1\times {\mathrm{167}}^1\times {\mathrm{389}}^1\times {\mathrm{162917}}^1$

素因数の和:163475

約数の個数: 16

約数和(自身を含む): 32023162080

約数和(自身を除く): 10856007938

約数列:

[1, 2, 167, 334, 389, 778, 64963, 129926, 162917, 325834, 27207139, 54414278, 63374713, 126749426, 10583577071, 21167154142]

約数ペア:

[(1, 21167154142), (2, 10583577071), (167, 126749426), (334, 63374713), (389, 54414278), (778, 27207139), (64963, 325834), (129926, 162917)]