21767487

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1153}}^1$

素因数の和:1223

約数の個数: 32

約数和(自身を含む): 35450880

約数和(自身を除く): 13683393

約数列:

[1, 3, 7, 21, 29, 31, 87, 93, 203, 217, 609, 651, 899, 1153, 2697, 3459, 6293, 8071, 18879, 24213, 33437, 35743, 100311, 107229, 234059, 250201, 702177, 750603, 1036547, 3109641, 7255829, 21767487]

約数ペア:

[(1, 21767487), (3, 7255829), (7, 3109641), (21, 1036547), (29, 750603), (31, 702177), (87, 250201), (93, 234059), (203, 107229), (217, 100311), (609, 35743), (651, 33437), (899, 24213), (1153, 18879), (2697, 8071), (3459, 6293)]