21255204

素因数分解:

$2^2\times 3^1\times {\mathrm{313}}^1\times {\mathrm{5659}}^1$

素因数の和:5979

約数の個数: 24

約数和(自身を含む): 49762720

約数和(自身を除く): 28507516

約数列:

[1, 2, 3, 4, 6, 12, 313, 626, 939, 1252, 1878, 3756, 5659, 11318, 16977, 22636, 33954, 67908, 1771267, 3542534, 5313801, 7085068, 10627602, 21255204]

約数ペア:

[(1, 21255204), (2, 10627602), (3, 7085068), (4, 5313801), (6, 3542534), (12, 1771267), (313, 67908), (626, 33954), (939, 22636), (1252, 16977), (1878, 11318), (3756, 5659)]