21343230

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{577}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 57430080

約数和(自身を除く): 36086850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 137, 270, 274, 411, 577, 685, 822, 1154, 1233, 1370, 1731, 2055, 2466, 2885, 3462, 3699, 4110, 5193, 5770, 6165, 7398, 8655, 10386, 12330, 15579, 17310, 18495, 25965, 31158, 36990, 51930, 77895, 79049, 155790, 158098, 237147, 395245, 474294, 711441, 790490, 1185735, 1422882, 2134323, 2371470, 3557205, 4268646, 7114410, 10671615, 21343230]

約数ペア:

[(1, 21343230), (2, 10671615), (3, 7114410), (5, 4268646), (6, 3557205), (9, 2371470), (10, 2134323), (15, 1422882), (18, 1185735), (27, 790490), (30, 711441), (45, 474294), (54, 395245), (90, 237147), (135, 158098), (137, 155790), (270, 79049), (274, 77895), (411, 51930), (577, 36990), (685, 31158), (822, 25965), (1154, 18495), (1233, 17310), (1370, 15579), (1731, 12330), (2055, 10386), (2466, 8655), (2885, 7398), (3462, 6165), (3699, 5770), (4110, 5193)]