21282525

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8599}}^1$

素因数の和:8626

約数の個数: 36

約数和(自身を含む): 41589600

約数和(自身を除く): 20307075

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 8599, 25797, 42995, 77391, 94589, 128985, 214975, 283767, 386955, 472945, 644925, 851301, 1418835, 1934775, 2364725, 4256505, 7094175, 21282525]

約数ペア:

[(1, 21282525), (3, 7094175), (5, 4256505), (9, 2364725), (11, 1934775), (15, 1418835), (25, 851301), (33, 644925), (45, 472945), (55, 386955), (75, 283767), (99, 214975), (165, 128985), (225, 94589), (275, 77391), (495, 42995), (825, 25797), (2475, 8599)]