21334384

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{21859}}^1$

素因数の和:21928

約数の個数: 20

約数和(自身を含む): 42014920

約数和(自身を除く): 20680536

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 21859, 43718, 87436, 174872, 349744, 1333399, 2666798, 5333596, 10667192, 21334384]

約数ペア:

[(1, 21334384), (2, 10667192), (4, 5333596), (8, 2666798), (16, 1333399), (61, 349744), (122, 174872), (244, 87436), (488, 43718), (976, 21859)]