21322798

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 37540800

約数和(自身を除く): 16218002

約数列:

[1, 2, 7, 14, 89, 109, 157, 178, 218, 314, 623, 763, 1099, 1246, 1526, 2198, 9701, 13973, 17113, 19402, 27946, 34226, 67907, 97811, 119791, 135814, 195622, 239582, 1523057, 3046114, 10661399, 21322798]

約数ペア:

[(1, 21322798), (2, 10661399), (7, 3046114), (14, 1523057), (89, 239582), (109, 195622), (157, 135814), (178, 119791), (218, 97811), (314, 67907), (623, 34226), (763, 27946), (1099, 19402), (1246, 17113), (1526, 13973), (2198, 9701)]