21883212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 44160948

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 23, 26, 36, 38, 39, 46, 52, 57, 69, 76, 78, 92, 107, 114, 117, 138, 156, 171, 207, 214, 228, 234, 247, 276, 299, 321, 342, 414, 428, 437, 468, 494, 598, 642, 684, 741, 828, 874, 897, 963, 988, 1196, 1284, 1311, 1391, 1482, 1748, 1794, 1926, 2033, 2223, 2461, 2622, 2691, 2782, 2964, 3588, 3852, 3933, 4066, 4173, 4446, 4922, 5244, 5382, 5564, 5681, 6099, 7383, 7866, 8132, 8346, 8892, 9844, 10764, 11362, 12198, 12519, 14766, 15732, 16692, 17043, 18297, 22149, 22724, 24396, 25038, 26429, 29532, 31993, 34086, 36594, 44298, 46759, 50076, 51129, 52858, 63986, 68172, 73188, 79287, 88596, 93518, 95979, 102258, 105716, 127972, 140277, 158574, 187036, 191958, 204516, 237861, 280554, 287937, 317148, 383916, 420831, 475722, 561108, 575874, 607867, 841662, 951444, 1151748, 1215734, 1683324, 1823601, 2431468, 3647202, 5470803, 7294404, 10941606, 21883212]

約数ペア:

[(1, 21883212), (2, 10941606), (3, 7294404), (4, 5470803), (6, 3647202), (9, 2431468), (12, 1823601), (13, 1683324), (18, 1215734), (19, 1151748), (23, 951444), (26, 841662), (36, 607867), (38, 575874), (39, 561108), (46, 475722), (52, 420831), (57, 383916), (69, 317148), (76, 287937), (78, 280554), (92, 237861), (107, 204516), (114, 191958), (117, 187036), (138, 158574), (156, 140277), (171, 127972), (207, 105716), (214, 102258), (228, 95979), (234, 93518), (247, 88596), (276, 79287), (299, 73188), (321, 68172), (342, 63986), (414, 52858), (428, 51129), (437, 50076), (468, 46759), (494, 44298), (598, 36594), (642, 34086), (684, 31993), (741, 29532), (828, 26429), (874, 25038), (897, 24396), (963, 22724), (988, 22149), (1196, 18297), (1284, 17043), (1311, 16692), (1391, 15732), (1482, 14766), (1748, 12519), (1794, 12198), (1926, 11362), (2033, 10764), (2223, 9844), (2461, 8892), (2622, 8346), (2691, 8132), (2782, 7866), (2964, 7383), (3588, 6099), (3852, 5681), (3933, 5564), (4066, 5382), (4173, 5244), (4446, 4922)]