21683628

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 57319808

約数和(自身を除く): 35636180

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 73, 74, 111, 146, 148, 219, 222, 223, 292, 333, 438, 444, 446, 657, 666, 669, 876, 892, 1314, 1332, 1338, 2007, 2628, 2676, 2701, 4014, 5402, 8028, 8103, 8251, 10804, 16206, 16279, 16502, 24309, 24753, 32412, 32558, 33004, 48618, 48837, 49506, 65116, 74259, 97236, 97674, 99012, 146511, 148518, 195348, 293022, 297036, 586044, 602323, 1204646, 1806969, 2409292, 3613938, 5420907, 7227876, 10841814, 21683628]

約数ペア:

[(1, 21683628), (2, 10841814), (3, 7227876), (4, 5420907), (6, 3613938), (9, 2409292), (12, 1806969), (18, 1204646), (36, 602323), (37, 586044), (73, 297036), (74, 293022), (111, 195348), (146, 148518), (148, 146511), (219, 99012), (222, 97674), (223, 97236), (292, 74259), (333, 65116), (438, 49506), (444, 48837), (446, 48618), (657, 33004), (666, 32558), (669, 32412), (876, 24753), (892, 24309), (1314, 16502), (1332, 16279), (1338, 16206), (2007, 10804), (2628, 8251), (2676, 8103), (2701, 8028), (4014, 5402)]