21822760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17599}}^1$

素因数の和:17641

約数の個数: 32

約数和(自身を含む): 50688000

約数和(自身を除く): 28865240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 17599, 35198, 70396, 87995, 140792, 175990, 351980, 545569, 703960, 1091138, 2182276, 2727845, 4364552, 5455690, 10911380, 21822760]

約数ペア:

[(1, 21822760), (2, 10911380), (4, 5455690), (5, 4364552), (8, 2727845), (10, 2182276), (20, 1091138), (31, 703960), (40, 545569), (62, 351980), (124, 175990), (155, 140792), (248, 87995), (310, 70396), (620, 35198), (1240, 17599)]