21896388

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4643}}^1$

素因数の和:4784

約数の個数: 36

約数和(自身を含む): 55783728

約数和(自身を除く): 33887340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4643, 4716, 9286, 13929, 18572, 27858, 41787, 55716, 83574, 167148, 608233, 1216466, 1824699, 2432932, 3649398, 5474097, 7298796, 10948194, 21896388]

約数ペア:

[(1, 21896388), (2, 10948194), (3, 7298796), (4, 5474097), (6, 3649398), (9, 2432932), (12, 1824699), (18, 1216466), (36, 608233), (131, 167148), (262, 83574), (393, 55716), (524, 41787), (786, 27858), (1179, 18572), (1572, 13929), (2358, 9286), (4643, 4716)]