21696465

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{4217}}^1$

素因数の和:4246

約数の個数: 32

約数和(自身を含む): 40492800

約数和(自身を除く): 18796335

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 4217, 5145, 12651, 21085, 29519, 63255, 88557, 147595, 206633, 442785, 619899, 1033165, 1446431, 3099495, 4339293, 7232155, 21696465]

約数ペア:

[(1, 21696465), (3, 7232155), (5, 4339293), (7, 3099495), (15, 1446431), (21, 1033165), (35, 619899), (49, 442785), (105, 206633), (147, 147595), (245, 88557), (343, 63255), (735, 29519), (1029, 21085), (1715, 12651), (4217, 5145)]