21534080

素因数分解:

$2^7\times 5^1\times {\mathrm{33647}}^1$

素因数の和:33666

約数の個数: 32

約数和(自身を含む): 51481440

約数和(自身を除く): 29947360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 33647, 67294, 134588, 168235, 269176, 336470, 538352, 672940, 1076704, 1345880, 2153408, 2691760, 4306816, 5383520, 10767040, 21534080]

約数ペア:

[(1, 21534080), (2, 10767040), (4, 5383520), (5, 4306816), (8, 2691760), (10, 2153408), (16, 1345880), (20, 1076704), (32, 672940), (40, 538352), (64, 336470), (80, 269176), (128, 168235), (160, 134588), (320, 67294), (640, 33647)]