21294573

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 32102400

約数和(自身を除く): 10807827

約数列:

[1, 3, 19, 23, 37, 57, 69, 111, 437, 439, 703, 851, 1311, 1317, 2109, 2553, 8341, 10097, 16169, 16243, 25023, 30291, 48507, 48729, 191843, 308617, 373589, 575529, 925851, 1120767, 7098191, 21294573]

約数ペア:

[(1, 21294573), (3, 7098191), (19, 1120767), (23, 925851), (37, 575529), (57, 373589), (69, 308617), (111, 191843), (437, 48729), (439, 48507), (703, 30291), (851, 25023), (1311, 16243), (1317, 16169), (2109, 10097), (2553, 8341)]