21495837116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{5232677}}^1$

素因数の和:5232773

約数の個数: 24

約数和(自身を含む): 41024195520

約数和(自身を除く): 19528358404

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 5232677, 10465354, 20930708, 68024801, 136049602, 272099204, 413381483, 826762966, 1653525932, 5373959279, 10747918558, 21495837116]

約数ペア:

[(1, 21495837116), (2, 10747918558), (4, 5373959279), (13, 1653525932), (26, 826762966), (52, 413381483), (79, 272099204), (158, 136049602), (316, 68024801), (1027, 20930708), (2054, 10465354), (4108, 5232677)]