21695464

素因数分解:

$2^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1621}}^1$

素因数の和:1873

約数の個数: 32

約数和(自身を含む): 46713600

約数和(自身を除く): 25018136

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 239, 478, 956, 1621, 1673, 1912, 3242, 3346, 6484, 6692, 11347, 12968, 13384, 22694, 45388, 90776, 387419, 774838, 1549676, 2711933, 3099352, 5423866, 10847732, 21695464]

約数ペア:

[(1, 21695464), (2, 10847732), (4, 5423866), (7, 3099352), (8, 2711933), (14, 1549676), (28, 774838), (56, 387419), (239, 90776), (478, 45388), (956, 22694), (1621, 13384), (1673, 12968), (1912, 11347), (3242, 6692), (3346, 6484)]