21493134

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1801}}^1$

素因数の和:1842

約数の個数: 64

約数和(自身を含む): 54492480

約数和(自身を除く): 32999346

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 102, 117, 153, 221, 234, 306, 351, 442, 459, 663, 702, 918, 1326, 1801, 1989, 3602, 3978, 5403, 5967, 10806, 11934, 16209, 23413, 30617, 32418, 46826, 48627, 61234, 70239, 91851, 97254, 140478, 183702, 210717, 275553, 398021, 421434, 551106, 632151, 796042, 826659, 1194063, 1264302, 1653318, 2388126, 3582189, 7164378, 10746567, 21493134]

約数ペア:

[(1, 21493134), (2, 10746567), (3, 7164378), (6, 3582189), (9, 2388126), (13, 1653318), (17, 1264302), (18, 1194063), (26, 826659), (27, 796042), (34, 632151), (39, 551106), (51, 421434), (54, 398021), (78, 275553), (102, 210717), (117, 183702), (153, 140478), (221, 97254), (234, 91851), (306, 70239), (351, 61234), (442, 48627), (459, 46826), (663, 32418), (702, 30617), (918, 23413), (1326, 16209), (1801, 11934), (1989, 10806), (3602, 5967), (3978, 5403)]