21049930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6173}}^1$

素因数の和:6222

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 21624758

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 6173, 12346, 30865, 61730, 67903, 135806, 191363, 339515, 382726, 679030, 956815, 1913630, 2104993, 4209986, 10524965, 21049930]

約数ペア:

[(1, 21049930), (2, 10524965), (5, 4209986), (10, 2104993), (11, 1913630), (22, 956815), (31, 679030), (55, 382726), (62, 339515), (110, 191363), (155, 135806), (310, 67903), (341, 61730), (682, 30865), (1705, 12346), (3410, 6173)]