21398256

素因数分解:

$2^4\times 3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 200

約数和(自身を含む): 72019200

約数和(自身を除く): 50620944

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 27, 33, 36, 38, 44, 48, 54, 57, 66, 72, 76, 79, 81, 88, 99, 108, 114, 132, 144, 152, 158, 162, 171, 176, 198, 209, 216, 228, 237, 264, 297, 304, 316, 324, 342, 396, 418, 432, 456, 474, 513, 528, 594, 627, 632, 648, 684, 711, 792, 836, 869, 891, 912, 948, 1026, 1188, 1254, 1264, 1296, 1368, 1422, 1501, 1539, 1584, 1672, 1738, 1782, 1881, 1896, 2052, 2133, 2376, 2508, 2607, 2736, 2844, 3002, 3078, 3344, 3476, 3564, 3762, 3792, 4104, 4266, 4503, 4752, 5016, 5214, 5643, 5688, 6004, 6156, 6399, 6952, 7128, 7524, 7821, 8208, 8532, 9006, 10032, 10428, 11286, 11376, 12008, 12312, 12798, 13509, 13904, 14256, 15048, 15642, 16511, 16929, 17064, 18012, 20856, 22572, 23463, 24016, 24624, 25596, 27018, 30096, 31284, 33022, 33858, 34128, 36024, 40527, 41712, 45144, 46926, 49533, 51192, 54036, 62568, 66044, 67716, 70389, 72048, 81054, 90288, 93852, 99066, 102384, 108072, 121581, 125136, 132088, 135432, 140778, 148599, 162108, 187704, 198132, 216144, 243162, 264176, 270864, 281556, 297198, 324216, 375408, 396264, 445797, 486324, 563112, 594396, 648432, 792528, 891594, 972648, 1126224, 1188792, 1337391, 1783188, 1945296, 2377584, 2674782, 3566376, 5349564, 7132752, 10699128, 21398256]

約数ペア:

[(1, 21398256), (2, 10699128), (3, 7132752), (4, 5349564), (6, 3566376), (8, 2674782), (9, 2377584), (11, 1945296), (12, 1783188), (16, 1337391), (18, 1188792), (19, 1126224), (22, 972648), (24, 891594), (27, 792528), (33, 648432), (36, 594396), (38, 563112), (44, 486324), (48, 445797), (54, 396264), (57, 375408), (66, 324216), (72, 297198), (76, 281556), (79, 270864), (81, 264176), (88, 243162), (99, 216144), (108, 198132), (114, 187704), (132, 162108), (144, 148599), (152, 140778), (158, 135432), (162, 132088), (171, 125136), (176, 121581), (198, 108072), (209, 102384), (216, 99066), (228, 93852), (237, 90288), (264, 81054), (297, 72048), (304, 70389), (316, 67716), (324, 66044), (342, 62568), (396, 54036), (418, 51192), (432, 49533), (456, 46926), (474, 45144), (513, 41712), (528, 40527), (594, 36024), (627, 34128), (632, 33858), (648, 33022), (684, 31284), (711, 30096), (792, 27018), (836, 25596), (869, 24624), (891, 24016), (912, 23463), (948, 22572), (1026, 20856), (1188, 18012), (1254, 17064), (1264, 16929), (1296, 16511), (1368, 15642), (1422, 15048), (1501, 14256), (1539, 13904), (1584, 13509), (1672, 12798), (1738, 12312), (1782, 12008), (1881, 11376), (1896, 11286), (2052, 10428), (2133, 10032), (2376, 9006), (2508, 8532), (2607, 8208), (2736, 7821), (2844, 7524), (3002, 7128), (3078, 6952), (3344, 6399), (3476, 6156), (3564, 6004), (3762, 5688), (3792, 5643), (4104, 5214), (4266, 5016), (4503, 4752)]