21179510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6211}}^1$

素因数の和:6260

約数の個数: 32

約数和(自身を含む): 42937344

約数和(自身を除く): 21757834

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 6211, 12422, 31055, 62110, 68321, 136642, 192541, 341605, 385082, 683210, 962705, 1925410, 2117951, 4235902, 10589755, 21179510]

約数ペア:

[(1, 21179510), (2, 10589755), (5, 4235902), (10, 2117951), (11, 1925410), (22, 962705), (31, 683210), (55, 385082), (62, 341605), (110, 192541), (155, 136642), (310, 68321), (341, 62110), (682, 31055), (1705, 12422), (3410, 6211)]