21322826

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{4219}}^1$

素因数の和:4266

約数の個数: 24

約数和(自身を含む): 38587680

約数和(自身を除く): 17264854

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 4219, 5054, 8438, 29533, 59066, 80161, 160322, 561127, 1122254, 1523059, 3046118, 10661413, 21322826]

約数ペア:

[(1, 21322826), (2, 10661413), (7, 3046118), (14, 1523059), (19, 1122254), (38, 561127), (133, 160322), (266, 80161), (361, 59066), (722, 29533), (2527, 8438), (4219, 5054)]