21141632

素因数分解:

$2^7\times {\mathrm{331}}^1\times {\mathrm{499}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 42330000

約数和(自身を除く): 21188368

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 331, 499, 662, 998, 1324, 1996, 2648, 3992, 5296, 7984, 10592, 15968, 21184, 31936, 42368, 63872, 165169, 330338, 660676, 1321352, 2642704, 5285408, 10570816, 21141632]

約数ペア:

[(1, 21141632), (2, 10570816), (4, 5285408), (8, 2642704), (16, 1321352), (32, 660676), (64, 330338), (128, 165169), (331, 63872), (499, 42368), (662, 31936), (998, 21184), (1324, 15968), (1996, 10592), (2648, 7984), (3992, 5296)]