21738496

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 88

約数和(自身を含む): 49521024

約数和(自身を除く): 27782528

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 71, 92, 104, 128, 142, 184, 208, 256, 284, 299, 368, 416, 512, 568, 598, 736, 832, 923, 1024, 1136, 1196, 1472, 1633, 1664, 1846, 2272, 2392, 2944, 3266, 3328, 3692, 4544, 4784, 5888, 6532, 6656, 7384, 9088, 9568, 11776, 13064, 13312, 14768, 18176, 19136, 21229, 23552, 26128, 29536, 36352, 38272, 42458, 52256, 59072, 72704, 76544, 84916, 104512, 118144, 153088, 169832, 209024, 236288, 306176, 339664, 418048, 472576, 679328, 836096, 945152, 1358656, 1672192, 2717312, 5434624, 10869248, 21738496]

約数ペア:

[(1, 21738496), (2, 10869248), (4, 5434624), (8, 2717312), (13, 1672192), (16, 1358656), (23, 945152), (26, 836096), (32, 679328), (46, 472576), (52, 418048), (64, 339664), (71, 306176), (92, 236288), (104, 209024), (128, 169832), (142, 153088), (184, 118144), (208, 104512), (256, 84916), (284, 76544), (299, 72704), (368, 59072), (416, 52256), (512, 42458), (568, 38272), (598, 36352), (736, 29536), (832, 26128), (923, 23552), (1024, 21229), (1136, 19136), (1196, 18176), (1472, 14768), (1633, 13312), (1664, 13064), (1846, 11776), (2272, 9568), (2392, 9088), (2944, 7384), (3266, 6656), (3328, 6532), (3692, 5888), (4544, 4784)]