21401050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{233}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 43872192

約数和(自身を除く): 22471142

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 167, 233, 275, 334, 466, 550, 835, 1165, 1670, 1837, 2330, 2563, 3674, 4175, 5126, 5825, 8350, 9185, 11650, 12815, 18370, 25630, 38911, 45925, 64075, 77822, 91850, 128150, 194555, 389110, 428021, 856042, 972775, 1945550, 2140105, 4280210, 10700525, 21401050]

約数ペア:

[(1, 21401050), (2, 10700525), (5, 4280210), (10, 2140105), (11, 1945550), (22, 972775), (25, 856042), (50, 428021), (55, 389110), (110, 194555), (167, 128150), (233, 91850), (275, 77822), (334, 64075), (466, 45925), (550, 38911), (835, 25630), (1165, 18370), (1670, 12815), (1837, 11650), (2330, 9185), (2563, 8350), (3674, 5825), (4175, 5126)]