21580152

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1901}}^1$

素因数の和:1964

約数の個数: 64

約数和(自身を含む): 60255360

約数和(自身を除く): 38675208

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 43, 44, 66, 86, 88, 129, 132, 172, 258, 264, 344, 473, 516, 946, 1032, 1419, 1892, 1901, 2838, 3784, 3802, 5676, 5703, 7604, 11352, 11406, 15208, 20911, 22812, 41822, 45624, 62733, 81743, 83644, 125466, 163486, 167288, 245229, 250932, 326972, 490458, 501864, 653944, 899173, 980916, 1798346, 1961832, 2697519, 3596692, 5395038, 7193384, 10790076, 21580152]

約数ペア:

[(1, 21580152), (2, 10790076), (3, 7193384), (4, 5395038), (6, 3596692), (8, 2697519), (11, 1961832), (12, 1798346), (22, 980916), (24, 899173), (33, 653944), (43, 501864), (44, 490458), (66, 326972), (86, 250932), (88, 245229), (129, 167288), (132, 163486), (172, 125466), (258, 83644), (264, 81743), (344, 62733), (473, 45624), (516, 41822), (946, 22812), (1032, 20911), (1419, 15208), (1892, 11406), (1901, 11352), (2838, 7604), (3784, 5703), (3802, 5676)]