21509532798

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{451331}}^1$

素因数の和:451409

約数の個数: 48

約数和(自身を含む): 47574003456

約数和(自身を除く): 26064470658

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 169, 282, 338, 507, 611, 1014, 1222, 1833, 3666, 7943, 15886, 23829, 47658, 451331, 902662, 1353993, 2707986, 5867303, 11734606, 17601909, 21212557, 35203818, 42425114, 63637671, 76274939, 127275342, 152549878, 228824817, 275763241, 457649634, 551526482, 827289723, 1654579446, 3584922133, 7169844266, 10754766399, 21509532798]

約数ペア:

[(1, 21509532798), (2, 10754766399), (3, 7169844266), (6, 3584922133), (13, 1654579446), (26, 827289723), (39, 551526482), (47, 457649634), (78, 275763241), (94, 228824817), (141, 152549878), (169, 127275342), (282, 76274939), (338, 63637671), (507, 42425114), (611, 35203818), (1014, 21212557), (1222, 17601909), (1833, 11734606), (3666, 5867303), (7943, 2707986), (15886, 1353993), (23829, 902662), (47658, 451331)]