21358784

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{5471}}^1$

素因数の和:5544

約数の個数: 28

約数和(自身を含む): 43086528

約数和(自身を除く): 21727744

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 5471, 10942, 21884, 43768, 87536, 175072, 333731, 350144, 667462, 1334924, 2669848, 5339696, 10679392, 21358784]

約数ペア:

[(1, 21358784), (2, 10679392), (4, 5339696), (8, 2669848), (16, 1334924), (32, 667462), (61, 350144), (64, 333731), (122, 175072), (244, 87536), (488, 43768), (976, 21884), (1952, 10942), (3904, 5471)]