21767116

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 45239040

約数和(自身を除く): 23471924

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 101, 172, 179, 202, 301, 358, 404, 602, 707, 716, 1204, 1253, 1414, 2506, 2828, 4343, 5012, 7697, 8686, 15394, 17372, 18079, 30401, 30788, 36158, 53879, 60802, 72316, 107758, 121604, 126553, 215516, 253106, 506212, 777397, 1554794, 3109588, 5441779, 10883558, 21767116]

約数ペア:

[(1, 21767116), (2, 10883558), (4, 5441779), (7, 3109588), (14, 1554794), (28, 777397), (43, 506212), (86, 253106), (101, 215516), (172, 126553), (179, 121604), (202, 107758), (301, 72316), (358, 60802), (404, 53879), (602, 36158), (707, 30788), (716, 30401), (1204, 18079), (1253, 17372), (1414, 15394), (2506, 8686), (2828, 7697), (4343, 5012)]