21196490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3833}}^1$

素因数の和:3926

約数の個数: 32

約数和(自身を含む): 44167680

約数和(自身を除く): 22971190

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 3833, 5530, 7666, 19165, 26831, 38330, 53662, 134155, 268310, 302807, 605614, 1514035, 2119649, 3028070, 4239298, 10598245, 21196490]

約数ペア:

[(1, 21196490), (2, 10598245), (5, 4239298), (7, 3028070), (10, 2119649), (14, 1514035), (35, 605614), (70, 302807), (79, 268310), (158, 134155), (395, 53662), (553, 38330), (790, 26831), (1106, 19165), (2765, 7666), (3833, 5530)]