21920310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14327}}^1$

素因数の和:14357

約数の個数: 48

約数和(自身を含む): 60349536

約数和(自身を除く): 38429226

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 14327, 28654, 42981, 71635, 85962, 128943, 143270, 214905, 243559, 257886, 429810, 487118, 644715, 730677, 1217795, 1289430, 1461354, 2192031, 2435590, 3653385, 4384062, 7306770, 10960155, 21920310]

約数ペア:

[(1, 21920310), (2, 10960155), (3, 7306770), (5, 4384062), (6, 3653385), (9, 2435590), (10, 2192031), (15, 1461354), (17, 1289430), (18, 1217795), (30, 730677), (34, 644715), (45, 487118), (51, 429810), (85, 257886), (90, 243559), (102, 214905), (153, 143270), (170, 128943), (255, 85962), (306, 71635), (510, 42981), (765, 28654), (1530, 14327)]