21857330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4621}}^1$

素因数の和:4682

約数の個数: 32

約数和(自身を含む): 43927488

約数和(自身を除く): 22070158

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4621, 4730, 9242, 23105, 46210, 50831, 101662, 198703, 254155, 397406, 508310, 993515, 1987030, 2185733, 4371466, 10928665, 21857330]

約数ペア:

[(1, 21857330), (2, 10928665), (5, 4371466), (10, 2185733), (11, 1987030), (22, 993515), (43, 508310), (55, 397406), (86, 254155), (110, 198703), (215, 101662), (430, 50831), (473, 46210), (946, 23105), (2365, 9242), (4621, 4730)]