21294830

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{941}}^1$

素因数の和:1052

約数の個数: 32

約数和(自身を含む): 40151808

約数和(自身を除く): 18856978

約数列:

[1, 2, 5, 10, 31, 62, 73, 146, 155, 310, 365, 730, 941, 1882, 2263, 4526, 4705, 9410, 11315, 22630, 29171, 58342, 68693, 137386, 145855, 291710, 343465, 686930, 2129483, 4258966, 10647415, 21294830]

約数ペア:

[(1, 21294830), (2, 10647415), (5, 4258966), (10, 2129483), (31, 686930), (62, 343465), (73, 291710), (146, 145855), (155, 137386), (310, 68693), (365, 58342), (730, 29171), (941, 22630), (1882, 11315), (2263, 9410), (4526, 4705)]