21909060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2063}}^1$

素因数の和:2137

約数の個数: 72

約数和(自身を含む): 67616640

約数和(自身を除く): 45707580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2063, 2124, 2655, 3540, 4126, 5310, 6189, 8252, 10315, 10620, 12378, 18567, 20630, 24756, 30945, 37134, 41260, 61890, 74268, 92835, 121717, 123780, 185670, 243434, 365151, 371340, 486868, 608585, 730302, 1095453, 1217170, 1460604, 1825755, 2190906, 2434340, 3651510, 4381812, 5477265, 7303020, 10954530, 21909060]

約数ペア:

[(1, 21909060), (2, 10954530), (3, 7303020), (4, 5477265), (5, 4381812), (6, 3651510), (9, 2434340), (10, 2190906), (12, 1825755), (15, 1460604), (18, 1217170), (20, 1095453), (30, 730302), (36, 608585), (45, 486868), (59, 371340), (60, 365151), (90, 243434), (118, 185670), (177, 123780), (180, 121717), (236, 92835), (295, 74268), (354, 61890), (531, 41260), (590, 37134), (708, 30945), (885, 24756), (1062, 20630), (1180, 18567), (1770, 12378), (2063, 10620), (2124, 10315), (2655, 8252), (3540, 6189), (4126, 5310)]