21131770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6197}}^1$

素因数の和:6246

約数の個数: 32

約数和(自身を含む): 42840576

約数和(自身を除く): 21708806

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 6197, 12394, 30985, 61970, 68167, 136334, 192107, 340835, 384214, 681670, 960535, 1921070, 2113177, 4226354, 10565885, 21131770]

約数ペア:

[(1, 21131770), (2, 10565885), (5, 4226354), (10, 2113177), (11, 1921070), (22, 960535), (31, 681670), (55, 384214), (62, 340835), (110, 192107), (155, 136334), (310, 68167), (341, 61970), (682, 30985), (1705, 12394), (3410, 6197)]