21000577662

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{227471}}^1$

素因数の和:227725

約数の個数: 48

約数和(自身を含む): 47692689408

約数和(自身を除く): 26692111746

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 223, 414, 446, 669, 1338, 2007, 4014, 5129, 10258, 15387, 30774, 46161, 92322, 227471, 454942, 682413, 1364826, 2047239, 4094478, 5231833, 10463666, 15695499, 31390998, 47086497, 50726033, 94172994, 101452066, 152178099, 304356198, 456534297, 913068594, 1166698759, 2333397518, 3500096277, 7000192554, 10500288831, 21000577662]

約数ペア:

[(1, 21000577662), (2, 10500288831), (3, 7000192554), (6, 3500096277), (9, 2333397518), (18, 1166698759), (23, 913068594), (46, 456534297), (69, 304356198), (138, 152178099), (207, 101452066), (223, 94172994), (414, 50726033), (446, 47086497), (669, 31390998), (1338, 15695499), (2007, 10463666), (4014, 5231833), (5129, 4094478), (10258, 2047239), (15387, 1364826), (30774, 682413), (46161, 454942), (92322, 227471)]