21095565

素因数分解:

$3^1\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{1201}}^1$

素因数の和:2380

約数の個数: 16

約数和(自身を含む): 33809856

約数和(自身を除く): 12714291

約数列:

[1, 3, 5, 15, 1171, 1201, 3513, 3603, 5855, 6005, 17565, 18015, 1406371, 4219113, 7031855, 21095565]

約数ペア:

[(1, 21095565), (3, 7031855), (5, 4219113), (15, 1406371), (1171, 18015), (1201, 17565), (3513, 6005), (3603, 5855)]