21791191408

素因数分解:

$2^4\times 7^2\times {\mathrm{743}}^1\times {\mathrm{37409}}^1$

素因数の和:38174

約数の個数: 60

約数和(自身を含む): 49180981680

約数和(自身を除く): 27389790272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 743, 784, 1486, 2972, 5201, 5944, 10402, 11888, 20804, 36407, 37409, 41608, 72814, 74818, 83216, 145628, 149636, 261863, 291256, 299272, 523726, 582512, 598544, 1047452, 1833041, 2094904, 3666082, 4189808, 7332164, 14664328, 27794887, 29328656, 55589774, 111179548, 194564209, 222359096, 389128418, 444718192, 778256836, 1361949463, 1556513672, 2723898926, 3113027344, 5447797852, 10895595704, 21791191408]

約数ペア:

[(1, 21791191408), (2, 10895595704), (4, 5447797852), (7, 3113027344), (8, 2723898926), (14, 1556513672), (16, 1361949463), (28, 778256836), (49, 444718192), (56, 389128418), (98, 222359096), (112, 194564209), (196, 111179548), (392, 55589774), (743, 29328656), (784, 27794887), (1486, 14664328), (2972, 7332164), (5201, 4189808), (5944, 3666082), (10402, 2094904), (11888, 1833041), (20804, 1047452), (36407, 598544), (37409, 582512), (41608, 523726), (72814, 299272), (74818, 291256), (83216, 261863), (145628, 149636)]