21194565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2843}}^1$

素因数の和:2929

約数の個数: 32

約数和(自身を含む): 39315456

約数和(自身を除く): 18120891

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 2843, 7455, 8529, 14215, 19901, 42645, 59703, 99505, 201853, 298515, 605559, 1009265, 1412971, 3027795, 4238913, 7064855, 21194565]

約数ペア:

[(1, 21194565), (3, 7064855), (5, 4238913), (7, 3027795), (15, 1412971), (21, 1009265), (35, 605559), (71, 298515), (105, 201853), (213, 99505), (355, 59703), (497, 42645), (1065, 19901), (1491, 14215), (2485, 8529), (2843, 7455)]