21710280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{797}}^1$

素因数の和:1038

約数の個数: 64

約数和(自身を含む): 65499840

約数和(自身を除く): 43789560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 227, 454, 681, 797, 908, 1135, 1362, 1594, 1816, 2270, 2391, 2724, 3188, 3405, 3985, 4540, 4782, 5448, 6376, 6810, 7970, 9080, 9564, 11955, 13620, 15940, 19128, 23910, 27240, 31880, 47820, 95640, 180919, 361838, 542757, 723676, 904595, 1085514, 1447352, 1809190, 2171028, 2713785, 3618380, 4342056, 5427570, 7236760, 10855140, 21710280]

約数ペア:

[(1, 21710280), (2, 10855140), (3, 7236760), (4, 5427570), (5, 4342056), (6, 3618380), (8, 2713785), (10, 2171028), (12, 1809190), (15, 1447352), (20, 1085514), (24, 904595), (30, 723676), (40, 542757), (60, 361838), (120, 180919), (227, 95640), (454, 47820), (681, 31880), (797, 27240), (908, 23910), (1135, 19128), (1362, 15940), (1594, 13620), (1816, 11955), (2270, 9564), (2391, 9080), (2724, 7970), (3188, 6810), (3405, 6376), (3985, 5448), (4540, 4782)]