21459132

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 57766800

約数和(自身を除く): 36307668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 137, 171, 228, 229, 274, 342, 411, 458, 548, 684, 687, 822, 916, 1233, 1374, 1644, 2061, 2466, 2603, 2748, 4122, 4351, 4932, 5206, 7809, 8244, 8702, 10412, 13053, 15618, 17404, 23427, 26106, 31236, 31373, 39159, 46854, 52212, 62746, 78318, 93708, 94119, 125492, 156636, 188238, 282357, 376476, 564714, 596087, 1129428, 1192174, 1788261, 2384348, 3576522, 5364783, 7153044, 10729566, 21459132]

約数ペア:

[(1, 21459132), (2, 10729566), (3, 7153044), (4, 5364783), (6, 3576522), (9, 2384348), (12, 1788261), (18, 1192174), (19, 1129428), (36, 596087), (38, 564714), (57, 376476), (76, 282357), (114, 188238), (137, 156636), (171, 125492), (228, 94119), (229, 93708), (274, 78318), (342, 62746), (411, 52212), (458, 46854), (548, 39159), (684, 31373), (687, 31236), (822, 26106), (916, 23427), (1233, 17404), (1374, 15618), (1644, 13053), (2061, 10412), (2466, 8702), (2603, 8244), (2748, 7809), (4122, 5206), (4351, 4932)]