21035608

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 23780072

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 121, 124, 242, 248, 341, 484, 682, 701, 968, 1364, 1402, 2728, 2804, 3751, 5608, 7502, 7711, 15004, 15422, 21731, 30008, 30844, 43462, 61688, 84821, 86924, 169642, 173848, 239041, 339284, 478082, 678568, 956164, 1912328, 2629451, 5258902, 10517804, 21035608]

約数ペア:

[(1, 21035608), (2, 10517804), (4, 5258902), (8, 2629451), (11, 1912328), (22, 956164), (31, 678568), (44, 478082), (62, 339284), (88, 239041), (121, 173848), (124, 169642), (242, 86924), (248, 84821), (341, 61688), (484, 43462), (682, 30844), (701, 30008), (968, 21731), (1364, 15422), (1402, 15004), (2728, 7711), (2804, 7502), (3751, 5608)]