21567678

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{1427}}^1$

素因数の和:1672

約数の個数: 32

約数和(自身を含む): 47295360

約数和(自身を除く): 25727682

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 229, 458, 687, 1374, 1427, 2519, 2854, 4281, 5038, 7557, 8562, 15114, 15697, 31394, 47091, 94182, 326783, 653566, 980349, 1960698, 3594613, 7189226, 10783839, 21567678]

約数ペア:

[(1, 21567678), (2, 10783839), (3, 7189226), (6, 3594613), (11, 1960698), (22, 980349), (33, 653566), (66, 326783), (229, 94182), (458, 47091), (687, 31394), (1374, 15697), (1427, 15114), (2519, 8562), (2854, 7557), (4281, 5038)]