21630136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{907}}^1$

素因数の和:1195

約数の個数: 32

約数和(自身を含む): 44455680

約数和(自身を除く): 22825544

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 271, 542, 907, 1084, 1814, 2168, 2981, 3628, 5962, 7256, 9977, 11924, 19954, 23848, 39908, 79816, 245797, 491594, 983188, 1966376, 2703767, 5407534, 10815068, 21630136]

約数ペア:

[(1, 21630136), (2, 10815068), (4, 5407534), (8, 2703767), (11, 1966376), (22, 983188), (44, 491594), (88, 245797), (271, 79816), (542, 39908), (907, 23848), (1084, 19954), (1814, 11924), (2168, 9977), (2981, 7256), (3628, 5962)]