21215883696

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{2621}}^1\times {\mathrm{24091}}^1$

素因数の和:26730

約数の個数: 80

約数和(自身を含む): 62663870208

約数和(自身を除く): 41447986512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 2621, 5242, 7863, 10484, 15726, 18347, 20968, 24091, 31452, 36694, 41936, 48182, 55041, 62904, 72273, 73388, 96364, 110082, 125808, 144546, 146776, 168637, 192728, 220164, 289092, 293552, 337274, 385456, 440328, 505911, 578184, 674548, 880656, 1011822, 1156368, 1349096, 2023644, 2698192, 4047288, 8094576, 63142511, 126285022, 189427533, 252570044, 378855066, 441997577, 505140088, 757710132, 883995154, 1010280176, 1325992731, 1515420264, 1767990308, 2651985462, 3030840528, 3535980616, 5303970924, 7071961232, 10607941848, 21215883696]

約数ペア:

[(1, 21215883696), (2, 10607941848), (3, 7071961232), (4, 5303970924), (6, 3535980616), (7, 3030840528), (8, 2651985462), (12, 1767990308), (14, 1515420264), (16, 1325992731), (21, 1010280176), (24, 883995154), (28, 757710132), (42, 505140088), (48, 441997577), (56, 378855066), (84, 252570044), (112, 189427533), (168, 126285022), (336, 63142511), (2621, 8094576), (5242, 4047288), (7863, 2698192), (10484, 2023644), (15726, 1349096), (18347, 1156368), (20968, 1011822), (24091, 880656), (31452, 674548), (36694, 578184), (41936, 505911), (48182, 440328), (55041, 385456), (62904, 337274), (72273, 293552), (73388, 289092), (96364, 220164), (110082, 192728), (125808, 168637), (144546, 146776)]