21512582

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{409}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 42292320

約数和(自身を除く): 20779738

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 289, 409, 442, 578, 818, 1547, 2023, 2863, 3094, 3757, 4046, 5317, 5726, 6953, 7514, 10634, 13906, 26299, 37219, 48671, 52598, 74438, 90389, 97342, 118201, 180778, 236402, 632723, 827407, 1265446, 1536613, 1654814, 3073226, 10756291, 21512582]

約数ペア:

[(1, 21512582), (2, 10756291), (7, 3073226), (13, 1654814), (14, 1536613), (17, 1265446), (26, 827407), (34, 632723), (91, 236402), (119, 180778), (182, 118201), (221, 97342), (238, 90389), (289, 74438), (409, 52598), (442, 48671), (578, 37219), (818, 26299), (1547, 13906), (2023, 10634), (2863, 7514), (3094, 6953), (3757, 5726), (4046, 5317)]