21000391752

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{6703}}^1\times {\mathrm{4211}}^1$

素因数の和:10954

約数の個数: 64

約数和(自身を含む): 54215516160

約数和(自身を除く): 33215124408

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 4211, 6703, 8422, 12633, 13406, 16844, 20109, 25266, 26812, 33688, 40218, 50532, 53624, 80436, 101064, 130541, 160872, 207793, 261082, 391623, 415586, 522164, 623379, 783246, 831172, 1044328, 1246758, 1566492, 1662344, 2493516, 3132984, 4987032, 28226333, 56452666, 84678999, 112905332, 169357998, 225810664, 338715996, 677431992, 875016323, 1750032646, 2625048969, 3500065292, 5250097938, 7000130584, 10500195876, 21000391752]

約数ペア:

[(1, 21000391752), (2, 10500195876), (3, 7000130584), (4, 5250097938), (6, 3500065292), (8, 2625048969), (12, 1750032646), (24, 875016323), (31, 677431992), (62, 338715996), (93, 225810664), (124, 169357998), (186, 112905332), (248, 84678999), (372, 56452666), (744, 28226333), (4211, 4987032), (6703, 3132984), (8422, 2493516), (12633, 1662344), (13406, 1566492), (16844, 1246758), (20109, 1044328), (25266, 831172), (26812, 783246), (33688, 623379), (40218, 522164), (50532, 415586), (53624, 391623), (80436, 261082), (101064, 207793), (130541, 160872)]