21334235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 29937600

約数和(自身を除く): 8603365

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 449, 559, 731, 1105, 2245, 2795, 3655, 5837, 7633, 9503, 19307, 29185, 38165, 47515, 96535, 99229, 250991, 328219, 496145, 1254955, 1641095, 4266847, 21334235]

約数ペア:

[(1, 21334235), (5, 4266847), (13, 1641095), (17, 1254955), (43, 496145), (65, 328219), (85, 250991), (215, 99229), (221, 96535), (449, 47515), (559, 38165), (731, 29185), (1105, 19307), (2245, 9503), (2795, 7633), (3655, 5837)]