21361664

素因数分解:

$2^{10}\times {\mathrm{23}}^1\times {\mathrm{907}}^1$

素因数の和:950

約数の個数: 44

約数和(自身を含む): 44608224

約数和(自身を除く): 23246560

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 907, 1024, 1472, 1814, 2944, 3628, 5888, 7256, 11776, 14512, 20861, 23552, 29024, 41722, 58048, 83444, 116096, 166888, 232192, 333776, 464384, 667552, 928768, 1335104, 2670208, 5340416, 10680832, 21361664]

約数ペア:

[(1, 21361664), (2, 10680832), (4, 5340416), (8, 2670208), (16, 1335104), (23, 928768), (32, 667552), (46, 464384), (64, 333776), (92, 232192), (128, 166888), (184, 116096), (256, 83444), (368, 58048), (512, 41722), (736, 29024), (907, 23552), (1024, 20861), (1472, 14512), (1814, 11776), (2944, 7256), (3628, 5888)]