21363200

素因数分解:

$2^9\times 5^2\times {\mathrm{1669}}^1$

素因数の和:1697

約数の個数: 60

約数和(自身を含む): 52960710

約数和(自身を除く): 31597510

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 1669, 2560, 3200, 3338, 6400, 6676, 8345, 12800, 13352, 16690, 26704, 33380, 41725, 53408, 66760, 83450, 106816, 133520, 166900, 213632, 267040, 333800, 427264, 534080, 667600, 854528, 1068160, 1335200, 2136320, 2670400, 4272640, 5340800, 10681600, 21363200]

約数ペア:

[(1, 21363200), (2, 10681600), (4, 5340800), (5, 4272640), (8, 2670400), (10, 2136320), (16, 1335200), (20, 1068160), (25, 854528), (32, 667600), (40, 534080), (50, 427264), (64, 333800), (80, 267040), (100, 213632), (128, 166900), (160, 133520), (200, 106816), (256, 83450), (320, 66760), (400, 53408), (512, 41725), (640, 33380), (800, 26704), (1280, 16690), (1600, 13352), (1669, 12800), (2560, 8345), (3200, 6676), (3338, 6400)]