21285852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13337}}^1$

素因数の和:13370

約数の個数: 48

約数和(自身を含む): 59754240

約数和(自身を除く): 38468388

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 13337, 26674, 40011, 53348, 80022, 93359, 160044, 186718, 253403, 280077, 373436, 506806, 560154, 760209, 1013612, 1120308, 1520418, 1773821, 3040836, 3547642, 5321463, 7095284, 10642926, 21285852]

約数ペア:

[(1, 21285852), (2, 10642926), (3, 7095284), (4, 5321463), (6, 3547642), (7, 3040836), (12, 1773821), (14, 1520418), (19, 1120308), (21, 1013612), (28, 760209), (38, 560154), (42, 506806), (57, 373436), (76, 280077), (84, 253403), (114, 186718), (133, 160044), (228, 93359), (266, 80022), (399, 53348), (532, 40011), (798, 26674), (1596, 13337)]