21730416

素因数分解:

$2^4\times 3^1\times {\mathrm{107}}^1\times {\mathrm{4231}}^1$

素因数の和:4349

約数の個数: 40

約数和(自身を含む): 56674944

約数和(自身を除く): 34944528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 107, 214, 321, 428, 642, 856, 1284, 1712, 2568, 4231, 5136, 8462, 12693, 16924, 25386, 33848, 50772, 67696, 101544, 203088, 452717, 905434, 1358151, 1810868, 2716302, 3621736, 5432604, 7243472, 10865208, 21730416]

約数ペア:

[(1, 21730416), (2, 10865208), (3, 7243472), (4, 5432604), (6, 3621736), (8, 2716302), (12, 1810868), (16, 1358151), (24, 905434), (48, 452717), (107, 203088), (214, 101544), (321, 67696), (428, 50772), (642, 33848), (856, 25386), (1284, 16924), (1712, 12693), (2568, 8462), (4231, 5136)]