21167150600

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1996901}}^1$

素因数の和:1996970

約数の個数: 48

約数和(自身を含む): 50142209220

約数和(自身を除く): 28975058620

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 2120, 2650, 5300, 10600, 1996901, 3993802, 7987604, 9984505, 15975208, 19969010, 39938020, 49922525, 79876040, 99845050, 105835753, 199690100, 211671506, 399380200, 423343012, 529178765, 846686024, 1058357530, 2116715060, 2645893825, 4233430120, 5291787650, 10583575300, 21167150600]

約数ペア:

[(1, 21167150600), (2, 10583575300), (4, 5291787650), (5, 4233430120), (8, 2645893825), (10, 2116715060), (20, 1058357530), (25, 846686024), (40, 529178765), (50, 423343012), (53, 399380200), (100, 211671506), (106, 199690100), (200, 105835753), (212, 99845050), (265, 79876040), (424, 49922525), (530, 39938020), (1060, 19969010), (1325, 15975208), (2120, 9984505), (2650, 7987604), (5300, 3993802), (10600, 1996901)]