21242595

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4153}}^1$

素因数の和:4203

約数の個数: 32

約数和(自身を含む): 38283264

約数和(自身を除く): 17040669

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 4153, 5115, 12459, 20765, 45683, 62295, 128743, 137049, 228415, 386229, 643715, 685245, 1416173, 1931145, 4248519, 7080865, 21242595]

約数ペア:

[(1, 21242595), (3, 7080865), (5, 4248519), (11, 1931145), (15, 1416173), (31, 685245), (33, 643715), (55, 386229), (93, 228415), (155, 137049), (165, 128743), (341, 62295), (465, 45683), (1023, 20765), (1705, 12459), (4153, 5115)]