21008384

素因数分解:

$2^{12}\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:270

約数の個数: 52

約数和(自身を含む): 44034816

約数和(自身を除く): 23026432

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 223, 256, 368, 446, 512, 736, 892, 1024, 1472, 1784, 2048, 2944, 3568, 4096, 5129, 5888, 7136, 10258, 11776, 14272, 20516, 23552, 28544, 41032, 47104, 57088, 82064, 94208, 114176, 164128, 228352, 328256, 456704, 656512, 913408, 1313024, 2626048, 5252096, 10504192, 21008384]

約数ペア:

[(1, 21008384), (2, 10504192), (4, 5252096), (8, 2626048), (16, 1313024), (23, 913408), (32, 656512), (46, 456704), (64, 328256), (92, 228352), (128, 164128), (184, 114176), (223, 94208), (256, 82064), (368, 57088), (446, 47104), (512, 41032), (736, 28544), (892, 23552), (1024, 20516), (1472, 14272), (1784, 11776), (2048, 10258), (2944, 7136), (3568, 5888), (4096, 5129)]