21378330

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26393}}^1$

素因数の和:26412

約数の個数: 40

約数和(自身を含む): 57486132

約数和(自身を除く): 36107802

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26393, 52786, 79179, 131965, 158358, 237537, 263930, 395895, 475074, 712611, 791790, 1187685, 1425222, 2137833, 2375370, 3563055, 4275666, 7126110, 10689165, 21378330]

約数ペア:

[(1, 21378330), (2, 10689165), (3, 7126110), (5, 4275666), (6, 3563055), (9, 2375370), (10, 2137833), (15, 1425222), (18, 1187685), (27, 791790), (30, 712611), (45, 475074), (54, 395895), (81, 263930), (90, 237537), (135, 158358), (162, 131965), (270, 79179), (405, 52786), (810, 26393)]