21625445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 29445120

約数和(自身を除く): 7819675

約数列:

[1, 5, 17, 29, 31, 85, 145, 155, 283, 493, 527, 899, 1415, 2465, 2635, 4495, 4811, 8207, 8773, 15283, 24055, 41035, 43865, 76415, 139519, 149141, 254417, 697595, 745705, 1272085, 4325089, 21625445]

約数ペア:

[(1, 21625445), (5, 4325089), (17, 1272085), (29, 745705), (31, 697595), (85, 254417), (145, 149141), (155, 139519), (283, 76415), (493, 43865), (527, 41035), (899, 24055), (1415, 15283), (2465, 8773), (2635, 8207), (4495, 4811)]