21351888

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{5113}}^1$

素因数の和:5156

約数の個数: 60

約数和(自身を含む): 61828260

約数和(自身を除く): 40476372

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 261, 348, 464, 522, 696, 1044, 1392, 2088, 4176, 5113, 10226, 15339, 20452, 30678, 40904, 46017, 61356, 81808, 92034, 122712, 148277, 184068, 245424, 296554, 368136, 444831, 593108, 736272, 889662, 1186216, 1334493, 1779324, 2372432, 2668986, 3558648, 5337972, 7117296, 10675944, 21351888]

約数ペア:

[(1, 21351888), (2, 10675944), (3, 7117296), (4, 5337972), (6, 3558648), (8, 2668986), (9, 2372432), (12, 1779324), (16, 1334493), (18, 1186216), (24, 889662), (29, 736272), (36, 593108), (48, 444831), (58, 368136), (72, 296554), (87, 245424), (116, 184068), (144, 148277), (174, 122712), (232, 92034), (261, 81808), (348, 61356), (464, 46017), (522, 40904), (696, 30678), (1044, 20452), (1392, 15339), (2088, 10226), (4176, 5113)]