21111716135

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{619}}^1\times {\mathrm{1307}}^1$

素因数の和:2255

約数の個数: 32

約数和(自身を含む): 26975773440

約数和(自身を除く): 5864057305

約数列:

[1, 5, 17, 85, 307, 619, 1307, 1535, 3095, 5219, 6535, 10523, 22219, 26095, 52615, 111095, 190033, 401249, 809033, 950165, 2006245, 3230561, 4045165, 6821233, 13753561, 16152805, 34106165, 68767805, 248373131, 1241865655, 4222343227, 21111716135]

約数ペア:

[(1, 21111716135), (5, 4222343227), (17, 1241865655), (85, 248373131), (307, 68767805), (619, 34106165), (1307, 16152805), (1535, 13753561), (3095, 6821233), (5219, 4045165), (6535, 3230561), (10523, 2006245), (22219, 950165), (26095, 809033), (52615, 401249), (111095, 190033)]