21230104

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 27292136

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 53, 56, 92, 106, 161, 184, 212, 311, 322, 371, 424, 622, 644, 742, 1219, 1244, 1288, 1484, 2177, 2438, 2488, 2968, 4354, 4876, 7153, 8533, 8708, 9752, 14306, 16483, 17066, 17416, 28612, 32966, 34132, 50071, 57224, 65932, 68264, 100142, 115381, 131864, 200284, 230762, 379109, 400568, 461524, 758218, 923048, 1516436, 2653763, 3032872, 5307526, 10615052, 21230104]

約数ペア:

[(1, 21230104), (2, 10615052), (4, 5307526), (7, 3032872), (8, 2653763), (14, 1516436), (23, 923048), (28, 758218), (46, 461524), (53, 400568), (56, 379109), (92, 230762), (106, 200284), (161, 131864), (184, 115381), (212, 100142), (311, 68264), (322, 65932), (371, 57224), (424, 50071), (622, 34132), (644, 32966), (742, 28612), (1219, 17416), (1244, 17066), (1288, 16483), (1484, 14306), (2177, 9752), (2438, 8708), (2488, 8533), (2968, 7153), (4354, 4876)]