21721167416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1166801}}^1$

素因数の和:1166999

約数の個数: 32

約数和(自身を含む): 44105115600

約数和(自身を除く): 22383948184

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 179, 358, 716, 1432, 2327, 4654, 9308, 18616, 1166801, 2333602, 4667204, 9334408, 15168413, 30336826, 60673652, 121347304, 208857379, 417714758, 835429516, 1670859032, 2715145927, 5430291854, 10860583708, 21721167416]

約数ペア:

[(1, 21721167416), (2, 10860583708), (4, 5430291854), (8, 2715145927), (13, 1670859032), (26, 835429516), (52, 417714758), (104, 208857379), (179, 121347304), (358, 60673652), (716, 30336826), (1432, 15168413), (2327, 9334408), (4654, 4667204), (9308, 2333602), (18616, 1166801)]