21438288

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^3$

素因数の和:173

約数の個数: 60

約数和(自身を含む): 61151220

約数和(自身を除く): 39712932

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 159, 212, 318, 424, 477, 636, 848, 954, 1272, 1908, 2544, 2809, 3816, 5618, 7632, 8427, 11236, 16854, 22472, 25281, 33708, 44944, 50562, 67416, 101124, 134832, 148877, 202248, 297754, 404496, 446631, 595508, 893262, 1191016, 1339893, 1786524, 2382032, 2679786, 3573048, 5359572, 7146096, 10719144, 21438288]

約数ペア:

[(1, 21438288), (2, 10719144), (3, 7146096), (4, 5359572), (6, 3573048), (8, 2679786), (9, 2382032), (12, 1786524), (16, 1339893), (18, 1191016), (24, 893262), (36, 595508), (48, 446631), (53, 404496), (72, 297754), (106, 202248), (144, 148877), (159, 134832), (212, 101124), (318, 67416), (424, 50562), (477, 44944), (636, 33708), (848, 25281), (954, 22472), (1272, 16854), (1908, 11236), (2544, 8427), (2809, 7632), (3816, 5618)]