21319518

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{1019}}^1$

素因数の和:1352

約数の個数: 32

約数和(自身を含む): 46707840

約数和(自身を除く): 25388322

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 317, 634, 951, 1019, 1902, 2038, 3057, 3487, 6114, 6974, 10461, 11209, 20922, 22418, 33627, 67254, 323023, 646046, 969069, 1938138, 3553253, 7106506, 10659759, 21319518]

約数ペア:

[(1, 21319518), (2, 10659759), (3, 7106506), (6, 3553253), (11, 1938138), (22, 969069), (33, 646046), (66, 323023), (317, 67254), (634, 33627), (951, 22418), (1019, 20922), (1902, 11209), (2038, 10461), (3057, 6974), (3487, 6114)]