21304821910

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1\times {\mathrm{34267}}^1$

素因数の和:35140

約数の個数: 32

約数和(自身を含む): 38884584960

約数和(自身を除く): 17579763050

約数列:

[1, 2, 5, 10, 79, 158, 395, 787, 790, 1574, 3935, 7870, 34267, 62173, 68534, 124346, 171335, 310865, 342670, 621730, 2707093, 5414186, 13535465, 26968129, 27070930, 53936258, 134840645, 269681290, 2130482191, 4260964382, 10652410955, 21304821910]

約数ペア:

[(1, 21304821910), (2, 10652410955), (5, 4260964382), (10, 2130482191), (79, 269681290), (158, 134840645), (395, 53936258), (787, 27070930), (790, 26968129), (1574, 13535465), (3935, 5414186), (7870, 2707093), (34267, 621730), (62173, 342670), (68534, 310865), (124346, 171335)]