21998058

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 45384192

約数和(自身を除く): 23386134

約数列:

[1, 2, 3, 6, 41, 82, 123, 223, 246, 401, 446, 669, 802, 1203, 1338, 2406, 9143, 16441, 18286, 27429, 32882, 49323, 54858, 89423, 98646, 178846, 268269, 536538, 3666343, 7332686, 10999029, 21998058]

約数ペア:

[(1, 21998058), (2, 10999029), (3, 7332686), (6, 3666343), (41, 536538), (82, 268269), (123, 178846), (223, 98646), (246, 89423), (401, 54858), (446, 49323), (669, 32882), (802, 27429), (1203, 18286), (1338, 16441), (2406, 9143)]