21618390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 60963840

約数和(自身を除く): 39345450

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 23, 30, 34, 38, 46, 51, 57, 69, 85, 95, 97, 102, 114, 115, 138, 170, 190, 194, 230, 255, 285, 291, 323, 345, 391, 437, 485, 510, 570, 582, 646, 690, 782, 874, 969, 970, 1173, 1311, 1455, 1615, 1649, 1843, 1938, 1955, 2185, 2231, 2346, 2622, 2910, 3230, 3298, 3686, 3910, 4370, 4462, 4845, 4947, 5529, 5865, 6555, 6693, 7429, 8245, 9215, 9690, 9894, 11058, 11155, 11730, 13110, 13386, 14858, 16490, 18430, 22287, 22310, 24735, 27645, 31331, 33465, 37145, 37927, 42389, 44574, 49470, 55290, 62662, 66930, 74290, 75854, 84778, 93993, 111435, 113781, 127167, 156655, 187986, 189635, 211945, 222870, 227562, 254334, 313310, 379270, 423890, 469965, 568905, 635835, 720613, 939930, 1137810, 1271670, 1441226, 2161839, 3603065, 4323678, 7206130, 10809195, 21618390]

約数ペア:

[(1, 21618390), (2, 10809195), (3, 7206130), (5, 4323678), (6, 3603065), (10, 2161839), (15, 1441226), (17, 1271670), (19, 1137810), (23, 939930), (30, 720613), (34, 635835), (38, 568905), (46, 469965), (51, 423890), (57, 379270), (69, 313310), (85, 254334), (95, 227562), (97, 222870), (102, 211945), (114, 189635), (115, 187986), (138, 156655), (170, 127167), (190, 113781), (194, 111435), (230, 93993), (255, 84778), (285, 75854), (291, 74290), (323, 66930), (345, 62662), (391, 55290), (437, 49470), (485, 44574), (510, 42389), (570, 37927), (582, 37145), (646, 33465), (690, 31331), (782, 27645), (874, 24735), (969, 22310), (970, 22287), (1173, 18430), (1311, 16490), (1455, 14858), (1615, 13386), (1649, 13110), (1843, 11730), (1938, 11155), (1955, 11058), (2185, 9894), (2231, 9690), (2346, 9215), (2622, 8245), (2910, 7429), (3230, 6693), (3298, 6555), (3686, 5865), (3910, 5529), (4370, 4947), (4462, 4845)]