21015415416

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1\times {\mathrm{25301}}^1$

素因数の和:26016

約数の個数: 64

約数和(自身を含む): 53613925920

約数和(自身を除く): 32598510504

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 653, 1272, 1306, 1959, 2612, 3918, 5224, 7836, 15672, 25301, 34609, 50602, 69218, 75903, 101204, 103827, 138436, 151806, 202408, 207654, 276872, 303612, 415308, 607224, 830616, 1340953, 2681906, 4022859, 5363812, 8045718, 10727624, 16091436, 16521553, 32182872, 33043106, 49564659, 66086212, 99129318, 132172424, 198258636, 396517272, 875642309, 1751284618, 2626926927, 3502569236, 5253853854, 7005138472, 10507707708, 21015415416]

約数ペア:

[(1, 21015415416), (2, 10507707708), (3, 7005138472), (4, 5253853854), (6, 3502569236), (8, 2626926927), (12, 1751284618), (24, 875642309), (53, 396517272), (106, 198258636), (159, 132172424), (212, 99129318), (318, 66086212), (424, 49564659), (636, 33043106), (653, 32182872), (1272, 16521553), (1306, 16091436), (1959, 10727624), (2612, 8045718), (3918, 5363812), (5224, 4022859), (7836, 2681906), (15672, 1340953), (25301, 830616), (34609, 607224), (50602, 415308), (69218, 303612), (75903, 276872), (101204, 207654), (103827, 202408), (138436, 151806)]