21619554

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 48173664

約数和(自身を除く): 26554110

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 97, 121, 194, 242, 291, 307, 363, 582, 614, 726, 921, 1067, 1842, 2134, 3201, 3377, 6402, 6754, 10131, 11737, 20262, 23474, 29779, 35211, 37147, 59558, 70422, 74294, 89337, 111441, 178674, 222882, 327569, 655138, 982707, 1965414, 3603259, 7206518, 10809777, 21619554]

約数ペア:

[(1, 21619554), (2, 10809777), (3, 7206518), (6, 3603259), (11, 1965414), (22, 982707), (33, 655138), (66, 327569), (97, 222882), (121, 178674), (194, 111441), (242, 89337), (291, 74294), (307, 70422), (363, 59558), (582, 37147), (614, 35211), (726, 29779), (921, 23474), (1067, 20262), (1842, 11737), (2134, 10131), (3201, 6754), (3377, 6402)]