21327110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2399}}^1$

素因数の和:2540

約数の個数: 32

約数和(自身を含む): 44236800

約数和(自身を除く): 22909690

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 2399, 4445, 4798, 8890, 11995, 16793, 23990, 33586, 83965, 167930, 304673, 609346, 1523365, 2132711, 3046730, 4265422, 10663555, 21327110]

約数ペア:

[(1, 21327110), (2, 10663555), (5, 4265422), (7, 3046730), (10, 2132711), (14, 1523365), (35, 609346), (70, 304673), (127, 167930), (254, 83965), (635, 33586), (889, 23990), (1270, 16793), (1778, 11995), (2399, 8890), (4445, 4798)]