21489174

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5881}}^1$

素因数の和:5925

約数の個数: 48

約数和(自身を含む): 55055520

約数和(自身を除く): 33566346

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5881, 11762, 17643, 35286, 41167, 52929, 82334, 105858, 123501, 170549, 247002, 341098, 370503, 511647, 741006, 1023294, 1193843, 1534941, 2387686, 3069882, 3581529, 7163058, 10744587, 21489174]

約数ペア:

[(1, 21489174), (2, 10744587), (3, 7163058), (6, 3581529), (7, 3069882), (9, 2387686), (14, 1534941), (18, 1193843), (21, 1023294), (29, 741006), (42, 511647), (58, 370503), (63, 341098), (87, 247002), (126, 170549), (174, 123501), (203, 105858), (261, 82334), (406, 52929), (522, 41167), (609, 35286), (1218, 17643), (1827, 11762), (3654, 5881)]