21974190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{104639}}^1$

素因数の和:104656

約数の個数: 32

約数和(自身を含む): 60272640

約数和(自身を除く): 38298450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 104639, 209278, 313917, 523195, 627834, 732473, 1046390, 1464946, 1569585, 2197419, 3139170, 3662365, 4394838, 7324730, 10987095, 21974190]

約数ペア:

[(1, 21974190), (2, 10987095), (3, 7324730), (5, 4394838), (6, 3662365), (7, 3139170), (10, 2197419), (14, 1569585), (15, 1464946), (21, 1046390), (30, 732473), (35, 627834), (42, 523195), (70, 313917), (105, 209278), (210, 104639)]