21052236

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 50803200

約数和(自身を除く): 29750964

約数列:

[1, 2, 3, 4, 6, 12, 53, 79, 106, 158, 159, 212, 237, 316, 318, 419, 474, 636, 838, 948, 1257, 1676, 2514, 4187, 5028, 8374, 12561, 16748, 22207, 25122, 33101, 44414, 50244, 66202, 66621, 88828, 99303, 132404, 133242, 198606, 266484, 397212, 1754353, 3508706, 5263059, 7017412, 10526118, 21052236]

約数ペア:

[(1, 21052236), (2, 10526118), (3, 7017412), (4, 5263059), (6, 3508706), (12, 1754353), (53, 397212), (79, 266484), (106, 198606), (158, 133242), (159, 132404), (212, 99303), (237, 88828), (316, 66621), (318, 66202), (419, 50244), (474, 44414), (636, 33101), (838, 25122), (948, 22207), (1257, 16748), (1676, 12561), (2514, 8374), (4187, 5028)]