21901060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1013}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 49061376

約数和(自身を除く): 27160316

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1013, 1081, 2026, 2162, 4052, 4324, 5065, 5405, 10130, 10810, 20260, 21620, 23299, 46598, 47611, 93196, 95222, 116495, 190444, 232990, 238055, 465980, 476110, 952220, 1095053, 2190106, 4380212, 5475265, 10950530, 21901060]

約数ペア:

[(1, 21901060), (2, 10950530), (4, 5475265), (5, 4380212), (10, 2190106), (20, 1095053), (23, 952220), (46, 476110), (47, 465980), (92, 238055), (94, 232990), (115, 190444), (188, 116495), (230, 95222), (235, 93196), (460, 47611), (470, 46598), (940, 23299), (1013, 21620), (1081, 20260), (2026, 10810), (2162, 10130), (4052, 5405), (4324, 5065)]