21538128

素因数分解:

$2^4\times 3^1\times {\mathrm{563}}^1\times {\mathrm{797}}^1$

素因数の和:1371

約数の個数: 40

約数和(自身を含む): 55808928

約数和(自身を除く): 34270800

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 563, 797, 1126, 1594, 1689, 2252, 2391, 3188, 3378, 4504, 4782, 6376, 6756, 9008, 9564, 12752, 13512, 19128, 27024, 38256, 448711, 897422, 1346133, 1794844, 2692266, 3589688, 5384532, 7179376, 10769064, 21538128]

約数ペア:

[(1, 21538128), (2, 10769064), (3, 7179376), (4, 5384532), (6, 3589688), (8, 2692266), (12, 1794844), (16, 1346133), (24, 897422), (48, 448711), (563, 38256), (797, 27024), (1126, 19128), (1594, 13512), (1689, 12752), (2252, 9564), (2391, 9008), (3188, 6756), (3378, 6376), (4504, 4782)]