21584004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 56568960

約数和(自身を除く): 34984956

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 169, 174, 338, 348, 367, 377, 507, 676, 734, 754, 1014, 1101, 1131, 1468, 1508, 2028, 2202, 2262, 4404, 4524, 4771, 4901, 9542, 9802, 10643, 14313, 14703, 19084, 19604, 21286, 28626, 29406, 31929, 42572, 57252, 58812, 62023, 63858, 124046, 127716, 138359, 186069, 248092, 276718, 372138, 415077, 553436, 744276, 830154, 1660308, 1798667, 3597334, 5396001, 7194668, 10792002, 21584004]

約数ペア:

[(1, 21584004), (2, 10792002), (3, 7194668), (4, 5396001), (6, 3597334), (12, 1798667), (13, 1660308), (26, 830154), (29, 744276), (39, 553436), (52, 415077), (58, 372138), (78, 276718), (87, 248092), (116, 186069), (156, 138359), (169, 127716), (174, 124046), (338, 63858), (348, 62023), (367, 58812), (377, 57252), (507, 42572), (676, 31929), (734, 29406), (754, 28626), (1014, 21286), (1101, 19604), (1131, 19084), (1468, 14703), (1508, 14313), (2028, 10643), (2202, 9802), (2262, 9542), (4404, 4901), (4524, 4771)]