21956452

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 46932480

約数和(自身を除く): 24976028

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 193, 238, 239, 386, 476, 478, 772, 956, 1351, 1673, 2702, 3281, 3346, 4063, 5404, 6562, 6692, 8126, 13124, 16252, 22967, 28441, 45934, 46127, 56882, 91868, 92254, 113764, 184508, 322889, 645778, 784159, 1291556, 1568318, 3136636, 5489113, 10978226, 21956452]

約数ペア:

[(1, 21956452), (2, 10978226), (4, 5489113), (7, 3136636), (14, 1568318), (17, 1291556), (28, 784159), (34, 645778), (68, 322889), (119, 184508), (193, 113764), (238, 92254), (239, 91868), (386, 56882), (476, 46127), (478, 45934), (772, 28441), (956, 22967), (1351, 16252), (1673, 13124), (2702, 8126), (3281, 6692), (3346, 6562), (4063, 5404)]