21891691822

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{841147}}^1$

素因数の和:841193

約数の個数: 48

約数和(自身を含む): 44331864192

約数和(自身を除く): 22440172370

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 169, 182, 286, 338, 1001, 1183, 1859, 2002, 2366, 3718, 13013, 26026, 841147, 1682294, 5888029, 9252617, 10934911, 11776058, 18505234, 21869822, 64768319, 76544377, 120284021, 129536638, 142153843, 153088754, 240568042, 284307686, 841988147, 995076901, 1563692273, 1683976294, 1990153802, 3127384546, 10945845911, 21891691822]

約数ペア:

[(1, 21891691822), (2, 10945845911), (7, 3127384546), (11, 1990153802), (13, 1683976294), (14, 1563692273), (22, 995076901), (26, 841988147), (77, 284307686), (91, 240568042), (143, 153088754), (154, 142153843), (169, 129536638), (182, 120284021), (286, 76544377), (338, 64768319), (1001, 21869822), (1183, 18505234), (1859, 11776058), (2002, 10934911), (2366, 9252617), (3718, 5888029), (13013, 1682294), (26026, 841147)]