21931294

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2687}}^1$

素因数の和:2760

約数の個数: 32

約数和(自身を含む): 41803776

約数和(自身を除く): 19872482

約数列:

[1, 2, 7, 11, 14, 22, 53, 77, 106, 154, 371, 583, 742, 1166, 2687, 4081, 5374, 8162, 18809, 29557, 37618, 59114, 142411, 206899, 284822, 413798, 996877, 1566521, 1993754, 3133042, 10965647, 21931294]

約数ペア:

[(1, 21931294), (2, 10965647), (7, 3133042), (11, 1993754), (14, 1566521), (22, 996877), (53, 413798), (77, 284822), (106, 206899), (154, 142411), (371, 59114), (583, 37618), (742, 29557), (1166, 18809), (2687, 8162), (4081, 5374)]