21154730

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 39012624

約数和(自身を除く): 17857894

約数列:

[1, 2, 5, 10, 97, 113, 193, 194, 226, 386, 485, 565, 965, 970, 1130, 1930, 10961, 18721, 21809, 21922, 37442, 43618, 54805, 93605, 109045, 109610, 187210, 218090, 2115473, 4230946, 10577365, 21154730]

約数ペア:

[(1, 21154730), (2, 10577365), (5, 4230946), (10, 2115473), (97, 218090), (113, 187210), (193, 109610), (194, 109045), (226, 93605), (386, 54805), (485, 43618), (565, 37442), (965, 21922), (970, 21809), (1130, 18721), (1930, 10961)]