21881556

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^2\times {\mathrm{383}}^1$

素因数の和:442

約数の個数: 72

約数和(自身を含む): 59458560

約数和(自身を除く): 37577004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 383, 414, 529, 621, 766, 828, 1058, 1149, 1242, 1532, 1587, 2116, 2298, 2484, 3174, 3447, 4596, 4761, 6348, 6894, 8809, 9522, 10341, 13788, 14283, 17618, 19044, 20682, 26427, 28566, 35236, 41364, 52854, 57132, 79281, 105708, 158562, 202607, 237843, 317124, 405214, 475686, 607821, 810428, 951372, 1215642, 1823463, 2431284, 3646926, 5470389, 7293852, 10940778, 21881556]

約数ペア:

[(1, 21881556), (2, 10940778), (3, 7293852), (4, 5470389), (6, 3646926), (9, 2431284), (12, 1823463), (18, 1215642), (23, 951372), (27, 810428), (36, 607821), (46, 475686), (54, 405214), (69, 317124), (92, 237843), (108, 202607), (138, 158562), (207, 105708), (276, 79281), (383, 57132), (414, 52854), (529, 41364), (621, 35236), (766, 28566), (828, 26427), (1058, 20682), (1149, 19044), (1242, 17618), (1532, 14283), (1587, 13788), (2116, 10341), (2298, 9522), (2484, 8809), (3174, 6894), (3447, 6348), (4596, 4761)]