21796686

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 55261440

約数和(自身を除く): 33464754

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 23, 34, 38, 46, 51, 57, 69, 102, 114, 138, 153, 163, 171, 207, 306, 323, 326, 342, 391, 414, 437, 489, 646, 782, 874, 969, 978, 1173, 1311, 1467, 1938, 2346, 2622, 2771, 2907, 2934, 3097, 3519, 3749, 3933, 5542, 5814, 6194, 7038, 7429, 7498, 7866, 8313, 9291, 11247, 14858, 16626, 18582, 22287, 22494, 24939, 27873, 33741, 44574, 49878, 52649, 55746, 63733, 66861, 67482, 71231, 105298, 127466, 133722, 142462, 157947, 191199, 213693, 315894, 382398, 427386, 473841, 573597, 641079, 947682, 1147194, 1210927, 1282158, 2421854, 3632781, 7265562, 10898343, 21796686]

約数ペア:

[(1, 21796686), (2, 10898343), (3, 7265562), (6, 3632781), (9, 2421854), (17, 1282158), (18, 1210927), (19, 1147194), (23, 947682), (34, 641079), (38, 573597), (46, 473841), (51, 427386), (57, 382398), (69, 315894), (102, 213693), (114, 191199), (138, 157947), (153, 142462), (163, 133722), (171, 127466), (207, 105298), (306, 71231), (323, 67482), (326, 66861), (342, 63733), (391, 55746), (414, 52649), (437, 49878), (489, 44574), (646, 33741), (782, 27873), (874, 24939), (969, 22494), (978, 22287), (1173, 18582), (1311, 16626), (1467, 14858), (1938, 11247), (2346, 9291), (2622, 8313), (2771, 7866), (2907, 7498), (2934, 7429), (3097, 7038), (3519, 6194), (3749, 5814), (3933, 5542)]