21059118

素因数分解:

$2^1\times 3^2\times {\mathrm{523}}^1\times {\mathrm{2237}}^1$

素因数の和:2768

約数の個数: 24

約数和(自身を含む): 45735768

約数和(自身を除く): 24676650

約数列:

[1, 2, 3, 6, 9, 18, 523, 1046, 1569, 2237, 3138, 4474, 4707, 6711, 9414, 13422, 20133, 40266, 1169951, 2339902, 3509853, 7019706, 10529559, 21059118]

約数ペア:

[(1, 21059118), (2, 10529559), (3, 7019706), (6, 3509853), (9, 2339902), (18, 1169951), (523, 40266), (1046, 20133), (1569, 13422), (2237, 9414), (3138, 6711), (4474, 4707)]