21263669288

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{421}}^1\times {\mathrm{40213}}^1$

素因数の和:40797

約数の個数: 32

約数和(自身を含む): 40219629960

約数和(自身を除く): 18955960672

約数列:

[1, 2, 4, 8, 157, 314, 421, 628, 842, 1256, 1684, 3368, 40213, 66097, 80426, 132194, 160852, 264388, 321704, 528776, 6313441, 12626882, 16929673, 25253764, 33859346, 50507528, 67718692, 135437384, 2657958661, 5315917322, 10631834644, 21263669288]

約数ペア:

[(1, 21263669288), (2, 10631834644), (4, 5315917322), (8, 2657958661), (157, 135437384), (314, 67718692), (421, 50507528), (628, 33859346), (842, 25253764), (1256, 16929673), (1684, 12626882), (3368, 6313441), (40213, 528776), (66097, 321704), (80426, 264388), (132194, 160852)]