21342208

素因数分解:

$2^{11}\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 45257940

約数和(自身を除く): 23915732

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 613, 1024, 1088, 1226, 2048, 2176, 2452, 4352, 4904, 8704, 9808, 10421, 17408, 19616, 20842, 34816, 39232, 41684, 78464, 83368, 156928, 166736, 313856, 333472, 627712, 666944, 1255424, 1333888, 2667776, 5335552, 10671104, 21342208]

約数ペア:

[(1, 21342208), (2, 10671104), (4, 5335552), (8, 2667776), (16, 1333888), (17, 1255424), (32, 666944), (34, 627712), (64, 333472), (68, 313856), (128, 166736), (136, 156928), (256, 83368), (272, 78464), (512, 41684), (544, 39232), (613, 34816), (1024, 20842), (1088, 19616), (1226, 17408), (2048, 10421), (2176, 9808), (2452, 8704), (4352, 4904)]