21471136

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1361}}^1$

素因数の和:1417

約数の個数: 48

約数和(自身を含む): 46335240

約数和(自身を除く): 24864104

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 68, 116, 136, 232, 272, 464, 493, 544, 928, 986, 1361, 1972, 2722, 3944, 5444, 7888, 10888, 15776, 21776, 23137, 39469, 43552, 46274, 78938, 92548, 157876, 185096, 315752, 370192, 631504, 670973, 740384, 1263008, 1341946, 2683892, 5367784, 10735568, 21471136]

約数ペア:

[(1, 21471136), (2, 10735568), (4, 5367784), (8, 2683892), (16, 1341946), (17, 1263008), (29, 740384), (32, 670973), (34, 631504), (58, 370192), (68, 315752), (116, 185096), (136, 157876), (232, 92548), (272, 78938), (464, 46274), (493, 43552), (544, 39469), (928, 23137), (986, 21776), (1361, 15776), (1972, 10888), (2722, 7888), (3944, 5444)]