21853041

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1493}}^1$

素因数の和:1561

約数の個数: 32

約数和(自身を含む): 36142848

約数和(自身を除く): 14289807

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 1493, 2091, 4479, 4879, 10451, 14637, 25381, 31353, 61213, 76143, 177667, 183639, 428491, 533001, 1040621, 1285473, 3121863, 7284347, 21853041]

約数ペア:

[(1, 21853041), (3, 7284347), (7, 3121863), (17, 1285473), (21, 1040621), (41, 533001), (51, 428491), (119, 183639), (123, 177667), (287, 76143), (357, 61213), (697, 31353), (861, 25381), (1493, 14637), (2091, 10451), (4479, 4879)]