2100156980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{21611}}^1$

素因数の和:21776

約数の個数: 48

約数和(自身を含む): 4553043264

約数和(自身を除く): 2452886284

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 113, 172, 215, 226, 430, 452, 565, 860, 1130, 2260, 4859, 9718, 19436, 21611, 24295, 43222, 48590, 86444, 97180, 108055, 216110, 432220, 929273, 1858546, 2442043, 3717092, 4646365, 4884086, 9292730, 9768172, 12210215, 18585460, 24420430, 48840860, 105007849, 210015698, 420031396, 525039245, 1050078490, 2100156980]

約数ペア:

[(1, 2100156980), (2, 1050078490), (4, 525039245), (5, 420031396), (10, 210015698), (20, 105007849), (43, 48840860), (86, 24420430), (113, 18585460), (172, 12210215), (215, 9768172), (226, 9292730), (430, 4884086), (452, 4646365), (565, 3717092), (860, 2442043), (1130, 1858546), (2260, 929273), (4859, 432220), (9718, 216110), (19436, 108055), (21611, 97180), (24295, 86444), (43222, 48590)]