21263669271

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{15377}}^1$

素因数の和:15672

約数の個数: 48

約数和(自身を含む): 33854236416

約数和(自身を除く): 12590567145

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 223, 477, 669, 689, 2007, 2067, 2899, 6201, 8697, 11819, 15377, 26091, 35457, 46131, 106371, 138393, 153647, 199901, 460941, 599703, 814981, 1382823, 1799109, 2444943, 3429071, 7334829, 10287213, 10594753, 30861639, 31784259, 44577923, 95352777, 133733769, 181740763, 401201307, 545222289, 1635666867, 2362629919, 7087889757, 21263669271]

約数ペア:

[(1, 21263669271), (3, 7087889757), (9, 2362629919), (13, 1635666867), (39, 545222289), (53, 401201307), (117, 181740763), (159, 133733769), (223, 95352777), (477, 44577923), (669, 31784259), (689, 30861639), (2007, 10594753), (2067, 10287213), (2899, 7334829), (6201, 3429071), (8697, 2444943), (11819, 1799109), (15377, 1382823), (26091, 814981), (35457, 599703), (46131, 460941), (106371, 199901), (138393, 153647)]