21875056

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11489}}^1$

素因数の和:11521

約数の個数: 40

約数和(自身を含む): 51291360

約数和(自身を除く): 29416304

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 11489, 22978, 45956, 80423, 91912, 160846, 183824, 195313, 321692, 390626, 643384, 781252, 1286768, 1367191, 1562504, 2734382, 3125008, 5468764, 10937528, 21875056]

約数ペア:

[(1, 21875056), (2, 10937528), (4, 5468764), (7, 3125008), (8, 2734382), (14, 1562504), (16, 1367191), (17, 1286768), (28, 781252), (34, 643384), (56, 390626), (68, 321692), (112, 195313), (119, 183824), (136, 160846), (238, 91912), (272, 80423), (476, 45956), (952, 22978), (1904, 11489)]