21359550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1087}}^1$

素因数の和:1233

約数の個数: 48

約数和(自身を含む): 53425152

約数和(自身を除く): 32065602

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 131, 150, 262, 393, 655, 786, 1087, 1310, 1965, 2174, 3261, 3275, 3930, 5435, 6522, 6550, 9825, 10870, 16305, 19650, 27175, 32610, 54350, 81525, 142397, 163050, 284794, 427191, 711985, 854382, 1423970, 2135955, 3559925, 4271910, 7119850, 10679775, 21359550]

約数ペア:

[(1, 21359550), (2, 10679775), (3, 7119850), (5, 4271910), (6, 3559925), (10, 2135955), (15, 1423970), (25, 854382), (30, 711985), (50, 427191), (75, 284794), (131, 163050), (150, 142397), (262, 81525), (393, 54350), (655, 32610), (786, 27175), (1087, 19650), (1310, 16305), (1965, 10870), (2174, 9825), (3261, 6550), (3275, 6522), (3930, 5435)]