21394924

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{1019}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 38984400

約数和(自身を除く): 17589476

約数列:

[1, 2, 4, 29, 58, 116, 181, 362, 724, 1019, 2038, 4076, 5249, 10498, 20996, 29551, 59102, 118204, 184439, 368878, 737756, 5348731, 10697462, 21394924]

約数ペア:

[(1, 21394924), (2, 10697462), (4, 5348731), (29, 737756), (58, 368878), (116, 184439), (181, 118204), (362, 59102), (724, 29551), (1019, 20996), (2038, 10498), (4076, 5249)]