21707190

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8933}}^1$

素因数の和:8955

約数の個数: 48

約数和(自身を含む): 58535568

約数和(自身を除く): 36828378

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8933, 17866, 26799, 44665, 53598, 80397, 89330, 133995, 160794, 241191, 267990, 401985, 482382, 723573, 803970, 1205955, 1447146, 2170719, 2411910, 3617865, 4341438, 7235730, 10853595, 21707190]

約数ペア:

[(1, 21707190), (2, 10853595), (3, 7235730), (5, 4341438), (6, 3617865), (9, 2411910), (10, 2170719), (15, 1447146), (18, 1205955), (27, 803970), (30, 723573), (45, 482382), (54, 401985), (81, 267990), (90, 241191), (135, 160794), (162, 133995), (243, 89330), (270, 80397), (405, 53598), (486, 44665), (810, 26799), (1215, 17866), (2430, 8933)]