21481472

素因数分解:

$2^{11}\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 45552780

約数和(自身を除く): 24071308

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 617, 1024, 1088, 1234, 2048, 2176, 2468, 4352, 4936, 8704, 9872, 10489, 17408, 19744, 20978, 34816, 39488, 41956, 78976, 83912, 157952, 167824, 315904, 335648, 631808, 671296, 1263616, 1342592, 2685184, 5370368, 10740736, 21481472]

約数ペア:

[(1, 21481472), (2, 10740736), (4, 5370368), (8, 2685184), (16, 1342592), (17, 1263616), (32, 671296), (34, 631808), (64, 335648), (68, 315904), (128, 167824), (136, 157952), (256, 83912), (272, 78976), (512, 41956), (544, 39488), (617, 34816), (1024, 20978), (1088, 19744), (1234, 17408), (2048, 10489), (2176, 9872), (2468, 8704), (4352, 4936)]