2021627251

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2351}}^1$

素因数の和:2504

約数の個数: 32

約数和(自身を含む): 2483712000

約数和(自身を除く): 462084749

約数列:

[1, 7, 23, 49, 109, 161, 343, 763, 1127, 2351, 2507, 5341, 7889, 16457, 17549, 37387, 54073, 115199, 122843, 256259, 378511, 806393, 859901, 1793813, 2649577, 5893957, 12556691, 18547039, 41257699, 87896837, 288803893, 2021627251]

約数ペア:

[(1, 2021627251), (7, 288803893), (23, 87896837), (49, 41257699), (109, 18547039), (161, 12556691), (343, 5893957), (763, 2649577), (1127, 1793813), (2351, 859901), (2507, 806393), (5341, 378511), (7889, 256259), (16457, 122843), (17549, 115199), (37387, 54073)]