21551070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42257}}^1$

素因数の和:42284

約数の個数: 32

約数和(自身を含む): 54766368

約数和(自身を除く): 33215298

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42257, 84514, 126771, 211285, 253542, 422570, 633855, 718369, 1267710, 1436738, 2155107, 3591845, 4310214, 7183690, 10775535, 21551070]

約数ペア:

[(1, 21551070), (2, 10775535), (3, 7183690), (5, 4310214), (6, 3591845), (10, 2155107), (15, 1436738), (17, 1267710), (30, 718369), (34, 633855), (51, 422570), (85, 253542), (102, 211285), (170, 126771), (255, 84514), (510, 42257)]