21698730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4549}}^1$

素因数の和:4615

約数の個数: 48

約数和(自身を含む): 57493800

約数和(自身を除く): 35795070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4549, 4770, 9098, 13647, 22745, 27294, 40941, 45490, 68235, 81882, 136470, 204705, 241097, 409410, 482194, 723291, 1205485, 1446582, 2169873, 2410970, 3616455, 4339746, 7232910, 10849365, 21698730]

約数ペア:

[(1, 21698730), (2, 10849365), (3, 7232910), (5, 4339746), (6, 3616455), (9, 2410970), (10, 2169873), (15, 1446582), (18, 1205485), (30, 723291), (45, 482194), (53, 409410), (90, 241097), (106, 204705), (159, 136470), (265, 81882), (318, 68235), (477, 45490), (530, 40941), (795, 27294), (954, 22745), (1590, 13647), (2385, 9098), (4549, 4770)]