21646576

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11369}}^1$

素因数の和:11401

約数の個数: 40

約数和(自身を含む): 50755680

約数和(自身を除く): 29109104

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 11369, 22738, 45476, 79583, 90952, 159166, 181904, 193273, 318332, 386546, 636664, 773092, 1273328, 1352911, 1546184, 2705822, 3092368, 5411644, 10823288, 21646576]

約数ペア:

[(1, 21646576), (2, 10823288), (4, 5411644), (7, 3092368), (8, 2705822), (14, 1546184), (16, 1352911), (17, 1273328), (28, 773092), (34, 636664), (56, 386546), (68, 318332), (112, 193273), (119, 181904), (136, 159166), (238, 90952), (272, 79583), (476, 45476), (952, 22738), (1904, 11369)]