21004152

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2927}}^1$

素因数の和:2972

約数の個数: 64

約数和(自身を含む): 59028480

約数和(自身を除く): 38024328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 156, 184, 276, 299, 312, 552, 598, 897, 1196, 1794, 2392, 2927, 3588, 5854, 7176, 8781, 11708, 17562, 23416, 35124, 38051, 67321, 70248, 76102, 114153, 134642, 152204, 201963, 228306, 269284, 304408, 403926, 456612, 538568, 807852, 875173, 913224, 1615704, 1750346, 2625519, 3500692, 5251038, 7001384, 10502076, 21004152]

約数ペア:

[(1, 21004152), (2, 10502076), (3, 7001384), (4, 5251038), (6, 3500692), (8, 2625519), (12, 1750346), (13, 1615704), (23, 913224), (24, 875173), (26, 807852), (39, 538568), (46, 456612), (52, 403926), (69, 304408), (78, 269284), (92, 228306), (104, 201963), (138, 152204), (156, 134642), (184, 114153), (276, 76102), (299, 70248), (312, 67321), (552, 38051), (598, 35124), (897, 23416), (1196, 17562), (1794, 11708), (2392, 8781), (2927, 7176), (3588, 5854)]