21324448

素因数分解:

$2^5\times {\mathrm{271}}^1\times {\mathrm{2459}}^1$

素因数の和:2740

約数の個数: 24

約数和(自身を含む): 42154560

約数和(自身を除く): 20830112

約数列:

[1, 2, 4, 8, 16, 32, 271, 542, 1084, 2168, 2459, 4336, 4918, 8672, 9836, 19672, 39344, 78688, 666389, 1332778, 2665556, 5331112, 10662224, 21324448]

約数ペア:

[(1, 21324448), (2, 10662224), (4, 5331112), (8, 2665556), (16, 1332778), (32, 666389), (271, 78688), (542, 39344), (1084, 19672), (2168, 9836), (2459, 8672), (4336, 4918)]