21498278536

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{3089}}^1$

素因数の和:3363

約数の個数: 128

約数和(自身を含む): 50310144000

約数和(自身を除く): 28811865464

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 211, 217, 248, 266, 422, 434, 532, 589, 844, 868, 1064, 1178, 1477, 1688, 1736, 2356, 2954, 3089, 4009, 4123, 4712, 5908, 6178, 6541, 8018, 8246, 11816, 12356, 13082, 16036, 16492, 21623, 24712, 26164, 28063, 32072, 32984, 43246, 45787, 52328, 56126, 58691, 86492, 91574, 95759, 112252, 117382, 124279, 172984, 183148, 191518, 224504, 234764, 248558, 366296, 383036, 410837, 469528, 497116, 651779, 670313, 766072, 821674, 869953, 994232, 1303558, 1340626, 1643348, 1739906, 1819421, 2607116, 2681252, 3286696, 3479812, 3638842, 4562453, 5214232, 5362504, 6959624, 7277684, 9124906, 12383801, 12735947, 14555368, 18249812, 20205149, 24767602, 25471894, 36499624, 40410298, 49535204, 50943788, 80820596, 86686607, 99070408, 101887576, 141436043, 161641192, 173373214, 282872086, 346746428, 383897831, 565744172, 693492856, 767795662, 1131488344, 1535591324, 2687284817, 3071182648, 5374569634, 10749139268, 21498278536]

約数ペア:

[(1, 21498278536), (2, 10749139268), (4, 5374569634), (7, 3071182648), (8, 2687284817), (14, 1535591324), (19, 1131488344), (28, 767795662), (31, 693492856), (38, 565744172), (56, 383897831), (62, 346746428), (76, 282872086), (124, 173373214), (133, 161641192), (152, 141436043), (211, 101887576), (217, 99070408), (248, 86686607), (266, 80820596), (422, 50943788), (434, 49535204), (532, 40410298), (589, 36499624), (844, 25471894), (868, 24767602), (1064, 20205149), (1178, 18249812), (1477, 14555368), (1688, 12735947), (1736, 12383801), (2356, 9124906), (2954, 7277684), (3089, 6959624), (4009, 5362504), (4123, 5214232), (4712, 4562453), (5908, 3638842), (6178, 3479812), (6541, 3286696), (8018, 2681252), (8246, 2607116), (11816, 1819421), (12356, 1739906), (13082, 1643348), (16036, 1340626), (16492, 1303558), (21623, 994232), (24712, 869953), (26164, 821674), (28063, 766072), (32072, 670313), (32984, 651779), (43246, 497116), (45787, 469528), (52328, 410837), (56126, 383036), (58691, 366296), (86492, 248558), (91574, 234764), (95759, 224504), (112252, 191518), (117382, 183148), (124279, 172984)]