21345636

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{467}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 53936064

約数和(自身を除く): 32590428

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 293, 467, 586, 879, 934, 1172, 1401, 1758, 1868, 2802, 3516, 3809, 5604, 6071, 7618, 11427, 12142, 15236, 18213, 22854, 24284, 36426, 45708, 72852, 136831, 273662, 410493, 547324, 820986, 1641972, 1778803, 3557606, 5336409, 7115212, 10672818, 21345636]

約数ペア:

[(1, 21345636), (2, 10672818), (3, 7115212), (4, 5336409), (6, 3557606), (12, 1778803), (13, 1641972), (26, 820986), (39, 547324), (52, 410493), (78, 273662), (156, 136831), (293, 72852), (467, 45708), (586, 36426), (879, 24284), (934, 22854), (1172, 18213), (1401, 15236), (1758, 12142), (1868, 11427), (2802, 7618), (3516, 6071), (3809, 5604)]