21724096

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:557

約数の個数: 56

約数和(自身を含む): 46853856

約数和(自身を除く): 25129760

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 64, 68, 82, 136, 164, 272, 328, 487, 544, 656, 697, 974, 1088, 1312, 1394, 1948, 2624, 2788, 3896, 5576, 7792, 8279, 11152, 15584, 16558, 19967, 22304, 31168, 33116, 39934, 44608, 66232, 79868, 132464, 159736, 264928, 319472, 339439, 529856, 638944, 678878, 1277888, 1357756, 2715512, 5431024, 10862048, 21724096]

約数ペア:

[(1, 21724096), (2, 10862048), (4, 5431024), (8, 2715512), (16, 1357756), (17, 1277888), (32, 678878), (34, 638944), (41, 529856), (64, 339439), (68, 319472), (82, 264928), (136, 159736), (164, 132464), (272, 79868), (328, 66232), (487, 44608), (544, 39934), (656, 33116), (697, 31168), (974, 22304), (1088, 19967), (1312, 16558), (1394, 15584), (1948, 11152), (2624, 8279), (2788, 7792), (3896, 5576)]