21312930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6287}}^1$

素因数の和:6410

約数の個数: 32

約数和(自身を含む): 51611904

約数和(自身を除く): 30298974

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 113, 226, 339, 565, 678, 1130, 1695, 3390, 6287, 12574, 18861, 31435, 37722, 62870, 94305, 188610, 710431, 1420862, 2131293, 3552155, 4262586, 7104310, 10656465, 21312930]

約数ペア:

[(1, 21312930), (2, 10656465), (3, 7104310), (5, 4262586), (6, 3552155), (10, 2131293), (15, 1420862), (30, 710431), (113, 188610), (226, 94305), (339, 62870), (565, 37722), (678, 31435), (1130, 18861), (1695, 12574), (3390, 6287)]