21096612

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:207

約数の個数: 120

約数和(自身を含む): 60984000

約数和(自身を除く): 39887388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 27, 36, 38, 46, 54, 57, 69, 76, 81, 92, 108, 114, 138, 149, 162, 171, 207, 228, 276, 298, 324, 342, 414, 437, 447, 513, 596, 621, 684, 828, 874, 894, 1026, 1242, 1311, 1341, 1539, 1748, 1788, 1863, 2052, 2484, 2622, 2682, 2831, 3078, 3427, 3726, 3933, 4023, 5244, 5364, 5662, 6156, 6854, 7452, 7866, 8046, 8493, 10281, 11324, 11799, 12069, 13708, 15732, 16092, 16986, 20562, 23598, 24138, 25479, 30843, 33972, 35397, 41124, 47196, 48276, 50958, 61686, 65113, 70794, 76437, 92529, 101916, 123372, 130226, 141588, 152874, 185058, 195339, 229311, 260452, 277587, 305748, 370116, 390678, 458622, 555174, 586017, 781356, 917244, 1110348, 1172034, 1758051, 2344068, 3516102, 5274153, 7032204, 10548306, 21096612]

約数ペア:

[(1, 21096612), (2, 10548306), (3, 7032204), (4, 5274153), (6, 3516102), (9, 2344068), (12, 1758051), (18, 1172034), (19, 1110348), (23, 917244), (27, 781356), (36, 586017), (38, 555174), (46, 458622), (54, 390678), (57, 370116), (69, 305748), (76, 277587), (81, 260452), (92, 229311), (108, 195339), (114, 185058), (138, 152874), (149, 141588), (162, 130226), (171, 123372), (207, 101916), (228, 92529), (276, 76437), (298, 70794), (324, 65113), (342, 61686), (414, 50958), (437, 48276), (447, 47196), (513, 41124), (596, 35397), (621, 33972), (684, 30843), (828, 25479), (874, 24138), (894, 23598), (1026, 20562), (1242, 16986), (1311, 16092), (1341, 15732), (1539, 13708), (1748, 12069), (1788, 11799), (1863, 11324), (2052, 10281), (2484, 8493), (2622, 8046), (2682, 7866), (2831, 7452), (3078, 6854), (3427, 6156), (3726, 5662), (3933, 5364), (4023, 5244)]