21308310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:782

約数の個数: 96

約数和(自身を含む): 61832160

約数和(自身を除く): 40523850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 30, 34, 38, 45, 51, 57, 85, 90, 95, 102, 114, 153, 170, 171, 190, 255, 285, 306, 323, 342, 510, 570, 646, 733, 765, 855, 969, 1466, 1530, 1615, 1710, 1938, 2199, 2907, 3230, 3665, 4398, 4845, 5814, 6597, 7330, 9690, 10995, 12461, 13194, 13927, 14535, 21990, 24922, 27854, 29070, 32985, 37383, 41781, 62305, 65970, 69635, 74766, 83562, 112149, 124610, 125343, 139270, 186915, 208905, 224298, 236759, 250686, 373830, 417810, 473518, 560745, 626715, 710277, 1121490, 1183795, 1253430, 1420554, 2130831, 2367590, 3551385, 4261662, 7102770, 10654155, 21308310]

約数ペア:

[(1, 21308310), (2, 10654155), (3, 7102770), (5, 4261662), (6, 3551385), (9, 2367590), (10, 2130831), (15, 1420554), (17, 1253430), (18, 1183795), (19, 1121490), (30, 710277), (34, 626715), (38, 560745), (45, 473518), (51, 417810), (57, 373830), (85, 250686), (90, 236759), (95, 224298), (102, 208905), (114, 186915), (153, 139270), (170, 125343), (171, 124610), (190, 112149), (255, 83562), (285, 74766), (306, 69635), (323, 65970), (342, 62305), (510, 41781), (570, 37383), (646, 32985), (733, 29070), (765, 27854), (855, 24922), (969, 21990), (1466, 14535), (1530, 13927), (1615, 13194), (1710, 12461), (1938, 10995), (2199, 9690), (2907, 7330), (3230, 6597), (3665, 5814), (4398, 4845)]