21798070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2273}}^1$

素因数の和:2424

約数の個数: 32

約数和(自身を含む): 45188928

約数和(自身を除く): 23390858

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 2273, 4546, 4795, 9590, 11365, 15911, 22730, 31822, 79555, 159110, 311401, 622802, 1557005, 2179807, 3114010, 4359614, 10899035, 21798070]

約数ペア:

[(1, 21798070), (2, 10899035), (5, 4359614), (7, 3114010), (10, 2179807), (14, 1557005), (35, 622802), (70, 311401), (137, 159110), (274, 79555), (685, 31822), (959, 22730), (1370, 15911), (1918, 11365), (2273, 9590), (4546, 4795)]