21800436

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2381}}^1$

素因数の和:2504

約数の個数: 48

約数和(自身を含む): 58692480

約数和(自身を除く): 36892044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 109, 218, 327, 436, 654, 763, 1308, 1526, 2289, 2381, 3052, 4578, 4762, 7143, 9156, 9524, 14286, 16667, 28572, 33334, 50001, 66668, 100002, 200004, 259529, 519058, 778587, 1038116, 1557174, 1816703, 3114348, 3633406, 5450109, 7266812, 10900218, 21800436]

約数ペア:

[(1, 21800436), (2, 10900218), (3, 7266812), (4, 5450109), (6, 3633406), (7, 3114348), (12, 1816703), (14, 1557174), (21, 1038116), (28, 778587), (42, 519058), (84, 259529), (109, 200004), (218, 100002), (327, 66668), (436, 50001), (654, 33334), (763, 28572), (1308, 16667), (1526, 14286), (2289, 9524), (2381, 9156), (3052, 7143), (4578, 4762)]