21997408

素因数分解:

$2^5\times {\mathrm{449}}^1\times {\mathrm{1531}}^1$

素因数の和:1990

約数の個数: 24

約数和(自身を含む): 43432200

約数和(自身を除く): 21434792

約数列:

[1, 2, 4, 8, 16, 32, 449, 898, 1531, 1796, 3062, 3592, 6124, 7184, 12248, 14368, 24496, 48992, 687419, 1374838, 2749676, 5499352, 10998704, 21997408]

約数ペア:

[(1, 21997408), (2, 10998704), (4, 5499352), (8, 2749676), (16, 1374838), (32, 687419), (449, 48992), (898, 24496), (1531, 14368), (1796, 12248), (3062, 7184), (3592, 6124)]