21481408

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25819}}^1$

素因数の和:25844

約数の個数: 28

約数和(自身を含む): 45907960

約数和(自身を除く): 24426552

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25819, 51638, 103276, 206552, 335647, 413104, 671294, 826208, 1342588, 1652416, 2685176, 5370352, 10740704, 21481408]

約数ペア:

[(1, 21481408), (2, 10740704), (4, 5370352), (8, 2685176), (13, 1652416), (16, 1342588), (26, 826208), (32, 671294), (52, 413104), (64, 335647), (104, 206552), (208, 103276), (416, 51638), (832, 25819)]