21264430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2447}}^1$

素因数の和:2544

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 21037010

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 2447, 4345, 4894, 8690, 12235, 24470, 26917, 53834, 134585, 193313, 269170, 386626, 966565, 1933130, 2126443, 4252886, 10632215, 21264430]

約数ペア:

[(1, 21264430), (2, 10632215), (5, 4252886), (10, 2126443), (11, 1933130), (22, 966565), (55, 386626), (79, 269170), (110, 193313), (158, 134585), (395, 53834), (790, 26917), (869, 24470), (1738, 12235), (2447, 8690), (4345, 4894)]