21250404

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28109}}^1$

素因数の和:28129

約数の個数: 48

約数和(自身を含む): 62966400

約数和(自身を除く): 41715996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28109, 56218, 84327, 112436, 168654, 196763, 252981, 337308, 393526, 505962, 590289, 758943, 787052, 1011924, 1180578, 1517886, 1770867, 2361156, 3035772, 3541734, 5312601, 7083468, 10625202, 21250404]

約数ペア:

[(1, 21250404), (2, 10625202), (3, 7083468), (4, 5312601), (6, 3541734), (7, 3035772), (9, 2361156), (12, 1770867), (14, 1517886), (18, 1180578), (21, 1011924), (27, 787052), (28, 758943), (36, 590289), (42, 505962), (54, 393526), (63, 337308), (84, 252981), (108, 196763), (126, 168654), (189, 112436), (252, 84327), (378, 56218), (756, 28109)]