21303510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22907}}^1$

素因数の和:22948

約数の個数: 32

約数和(自身を含む): 52780032

約数和(自身を除く): 31476522

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 22907, 45814, 68721, 114535, 137442, 229070, 343605, 687210, 710117, 1420234, 2130351, 3550585, 4260702, 7101170, 10651755, 21303510]

約数ペア:

[(1, 21303510), (2, 10651755), (3, 7101170), (5, 4260702), (6, 3550585), (10, 2130351), (15, 1420234), (30, 710117), (31, 687210), (62, 343605), (93, 229070), (155, 137442), (186, 114535), (310, 68721), (465, 45814), (930, 22907)]