21994256

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1013}}^1$

素因数の和:1103

約数の個数: 40

約数和(自身を含む): 45264960

約数和(自身を除く): 23270704

約数列:

[1, 2, 4, 8, 16, 23, 46, 59, 92, 118, 184, 236, 368, 472, 944, 1013, 1357, 2026, 2714, 4052, 5428, 8104, 10856, 16208, 21712, 23299, 46598, 59767, 93196, 119534, 186392, 239068, 372784, 478136, 956272, 1374641, 2749282, 5498564, 10997128, 21994256]

約数ペア:

[(1, 21994256), (2, 10997128), (4, 5498564), (8, 2749282), (16, 1374641), (23, 956272), (46, 478136), (59, 372784), (92, 239068), (118, 186392), (184, 119534), (236, 93196), (368, 59767), (472, 46598), (944, 23299), (1013, 21712), (1357, 16208), (2026, 10856), (2714, 8104), (4052, 5428)]