21558768

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:355

約数の個数: 160

約数和(自身を含む): 73328640

約数和(自身を除く): 51769872

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 19, 21, 22, 24, 28, 33, 38, 42, 44, 48, 56, 57, 66, 76, 77, 84, 88, 112, 114, 132, 133, 152, 154, 168, 176, 209, 228, 231, 264, 266, 304, 307, 308, 336, 399, 418, 456, 462, 528, 532, 614, 616, 627, 798, 836, 912, 921, 924, 1064, 1228, 1232, 1254, 1463, 1596, 1672, 1842, 1848, 2128, 2149, 2456, 2508, 2926, 3192, 3344, 3377, 3684, 3696, 4298, 4389, 4912, 5016, 5833, 5852, 6384, 6447, 6754, 7368, 8596, 8778, 10032, 10131, 11666, 11704, 12894, 13508, 14736, 17192, 17499, 17556, 20262, 23332, 23408, 23639, 25788, 27016, 34384, 34998, 35112, 40524, 40831, 46664, 47278, 51576, 54032, 64163, 69996, 70224, 70917, 81048, 81662, 93328, 94556, 103152, 122493, 128326, 139992, 141834, 162096, 163324, 189112, 192489, 244986, 256652, 279984, 283668, 326648, 378224, 384978, 449141, 489972, 513304, 567336, 653296, 769956, 898282, 979944, 1026608, 1134672, 1347423, 1539912, 1796564, 1959888, 2694846, 3079824, 3593128, 5389692, 7186256, 10779384, 21558768]

約数ペア:

[(1, 21558768), (2, 10779384), (3, 7186256), (4, 5389692), (6, 3593128), (7, 3079824), (8, 2694846), (11, 1959888), (12, 1796564), (14, 1539912), (16, 1347423), (19, 1134672), (21, 1026608), (22, 979944), (24, 898282), (28, 769956), (33, 653296), (38, 567336), (42, 513304), (44, 489972), (48, 449141), (56, 384978), (57, 378224), (66, 326648), (76, 283668), (77, 279984), (84, 256652), (88, 244986), (112, 192489), (114, 189112), (132, 163324), (133, 162096), (152, 141834), (154, 139992), (168, 128326), (176, 122493), (209, 103152), (228, 94556), (231, 93328), (264, 81662), (266, 81048), (304, 70917), (307, 70224), (308, 69996), (336, 64163), (399, 54032), (418, 51576), (456, 47278), (462, 46664), (528, 40831), (532, 40524), (614, 35112), (616, 34998), (627, 34384), (798, 27016), (836, 25788), (912, 23639), (921, 23408), (924, 23332), (1064, 20262), (1228, 17556), (1232, 17499), (1254, 17192), (1463, 14736), (1596, 13508), (1672, 12894), (1842, 11704), (1848, 11666), (2128, 10131), (2149, 10032), (2456, 8778), (2508, 8596), (2926, 7368), (3192, 6754), (3344, 6447), (3377, 6384), (3684, 5852), (3696, 5833), (4298, 5016), (4389, 4912)]