16814460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21557}}^1$

素因数の和:21582

約数の個数: 48

約数和(自身を含む): 50704416

約数和(自身を除く): 33889956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21557, 43114, 64671, 86228, 107785, 129342, 215570, 258684, 280241, 323355, 431140, 560482, 646710, 840723, 1120964, 1293420, 1401205, 1681446, 2802410, 3362892, 4203615, 5604820, 8407230, 16814460]

約数ペア:

[(1, 16814460), (2, 8407230), (3, 5604820), (4, 4203615), (5, 3362892), (6, 2802410), (10, 1681446), (12, 1401205), (13, 1293420), (15, 1120964), (20, 840723), (26, 646710), (30, 560482), (39, 431140), (52, 323355), (60, 280241), (65, 258684), (78, 215570), (130, 129342), (156, 107785), (195, 86228), (260, 64671), (390, 43114), (780, 21557)]