21799681264

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1\times {\mathrm{2633}}^1$

素因数の和:3218

約数の個数: 80

約数和(自身を含む): 45562932000

約数和(自身を除く): 23763250736

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 499, 976, 998, 1037, 1996, 2074, 2633, 3992, 4148, 5266, 7984, 8296, 8483, 10532, 16592, 16966, 21064, 30439, 33932, 42128, 44761, 60878, 67864, 89522, 121756, 135728, 160613, 179044, 243512, 321226, 358088, 487024, 517463, 642452, 716176, 1034926, 1284904, 1313867, 2069852, 2569808, 2627734, 2730421, 4139704, 5255468, 5460842, 8279408, 10510936, 10921684, 21021872, 21843368, 22335739, 43686736, 44671478, 80145887, 89342956, 160291774, 178685912, 320583548, 357371824, 641167096, 1282334192, 1362480079, 2724960158, 5449920316, 10899840632, 21799681264]

約数ペア:

[(1, 21799681264), (2, 10899840632), (4, 5449920316), (8, 2724960158), (16, 1362480079), (17, 1282334192), (34, 641167096), (61, 357371824), (68, 320583548), (122, 178685912), (136, 160291774), (244, 89342956), (272, 80145887), (488, 44671478), (499, 43686736), (976, 22335739), (998, 21843368), (1037, 21021872), (1996, 10921684), (2074, 10510936), (2633, 8279408), (3992, 5460842), (4148, 5255468), (5266, 4139704), (7984, 2730421), (8296, 2627734), (8483, 2569808), (10532, 2069852), (16592, 1313867), (16966, 1284904), (21064, 1034926), (30439, 716176), (33932, 642452), (42128, 517463), (44761, 487024), (60878, 358088), (67864, 321226), (89522, 243512), (121756, 179044), (135728, 160613)]