21772562

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 40383360

約数和(自身を除く): 18610798

約数列:

[1, 2, 7, 14, 29, 47, 49, 58, 94, 98, 163, 203, 326, 329, 406, 658, 1141, 1363, 1421, 2282, 2303, 2726, 2842, 4606, 4727, 7661, 7987, 9454, 9541, 15322, 15974, 19082, 33089, 53627, 66178, 66787, 107254, 133574, 222169, 231623, 375389, 444338, 463246, 750778, 1555183, 3110366, 10886281, 21772562]

約数ペア:

[(1, 21772562), (2, 10886281), (7, 3110366), (14, 1555183), (29, 750778), (47, 463246), (49, 444338), (58, 375389), (94, 231623), (98, 222169), (163, 133574), (203, 107254), (326, 66787), (329, 66178), (406, 53627), (658, 33089), (1141, 19082), (1363, 15974), (1421, 15322), (2282, 9541), (2303, 9454), (2726, 7987), (2842, 7661), (4606, 4727)]