21928764

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{983}}^1$

素因数の和:1027

約数の個数: 72

約数和(自身を含む): 60504192

約数和(自身を除く): 38575428

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 169, 286, 338, 429, 507, 572, 676, 858, 983, 1014, 1716, 1859, 1966, 2028, 2949, 3718, 3932, 5577, 5898, 7436, 10813, 11154, 11796, 12779, 21626, 22308, 25558, 32439, 38337, 43252, 51116, 64878, 76674, 129756, 140569, 153348, 166127, 281138, 332254, 421707, 498381, 562276, 664508, 843414, 996762, 1686828, 1827397, 1993524, 3654794, 5482191, 7309588, 10964382, 21928764]

約数ペア:

[(1, 21928764), (2, 10964382), (3, 7309588), (4, 5482191), (6, 3654794), (11, 1993524), (12, 1827397), (13, 1686828), (22, 996762), (26, 843414), (33, 664508), (39, 562276), (44, 498381), (52, 421707), (66, 332254), (78, 281138), (132, 166127), (143, 153348), (156, 140569), (169, 129756), (286, 76674), (338, 64878), (429, 51116), (507, 43252), (572, 38337), (676, 32439), (858, 25558), (983, 22308), (1014, 21626), (1716, 12779), (1859, 11796), (1966, 11154), (2028, 10813), (2949, 7436), (3718, 5898), (3932, 5577)]