21930964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{8171}}^1$

素因数の和:8247

約数の個数: 24

約数和(自身を含む): 42559776

約数和(自身を除く): 20628812

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 8171, 16342, 32684, 89881, 179762, 359524, 498431, 996862, 1993724, 5482741, 10965482, 21930964]

約数ペア:

[(1, 21930964), (2, 10965482), (4, 5482741), (11, 1993724), (22, 996862), (44, 498431), (61, 359524), (122, 179762), (244, 89881), (671, 32684), (1342, 16342), (2684, 8171)]