21318850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3583}}^1$

素因数の和:3619

約数の個数: 48

約数和(自身を含む): 47996928

約数和(自身を除く): 26678078

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 170, 175, 238, 350, 425, 595, 850, 1190, 2975, 3583, 5950, 7166, 17915, 25081, 35830, 50162, 60911, 89575, 121822, 125405, 179150, 250810, 304555, 426377, 609110, 627025, 852754, 1254050, 1522775, 2131885, 3045550, 4263770, 10659425, 21318850]

約数ペア:

[(1, 21318850), (2, 10659425), (5, 4263770), (7, 3045550), (10, 2131885), (14, 1522775), (17, 1254050), (25, 852754), (34, 627025), (35, 609110), (50, 426377), (70, 304555), (85, 250810), (119, 179150), (170, 125405), (175, 121822), (238, 89575), (350, 60911), (425, 50162), (595, 35830), (850, 25081), (1190, 17915), (2975, 7166), (3583, 5950)]