21148492020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{53887}}^1$

素因数の和:54141

約数の個数: 96

約数和(自身を含む): 61416800256

約数和(自身を除く): 40268308236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 211, 310, 372, 422, 465, 620, 633, 844, 930, 1055, 1266, 1860, 2110, 2532, 3165, 4220, 6330, 6541, 12660, 13082, 19623, 26164, 32705, 39246, 53887, 65410, 78492, 98115, 107774, 130820, 161661, 196230, 215548, 269435, 323322, 392460, 538870, 646644, 808305, 1077740, 1616610, 1670497, 3233220, 3340994, 5011491, 6681988, 8352485, 10022982, 11370157, 16704970, 20045964, 22740314, 25057455, 33409940, 34110471, 45480628, 50114910, 56850785, 68220942, 100229820, 113701570, 136441884, 170552355, 227403140, 341104710, 352474867, 682209420, 704949734, 1057424601, 1409899468, 1762374335, 2114849202, 3524748670, 4229698404, 5287123005, 7049497340, 10574246010, 21148492020]

約数ペア:

[(1, 21148492020), (2, 10574246010), (3, 7049497340), (4, 5287123005), (5, 4229698404), (6, 3524748670), (10, 2114849202), (12, 1762374335), (15, 1409899468), (20, 1057424601), (30, 704949734), (31, 682209420), (60, 352474867), (62, 341104710), (93, 227403140), (124, 170552355), (155, 136441884), (186, 113701570), (211, 100229820), (310, 68220942), (372, 56850785), (422, 50114910), (465, 45480628), (620, 34110471), (633, 33409940), (844, 25057455), (930, 22740314), (1055, 20045964), (1266, 16704970), (1860, 11370157), (2110, 10022982), (2532, 8352485), (3165, 6681988), (4220, 5011491), (6330, 3340994), (6541, 3233220), (12660, 1670497), (13082, 1616610), (19623, 1077740), (26164, 808305), (32705, 646644), (39246, 538870), (53887, 392460), (65410, 323322), (78492, 269435), (98115, 215548), (107774, 196230), (130820, 161661)]