21188704

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{28789}}^1$

素因数の和:28822

約数の個数: 24

約数和(自身を含む): 43530480

約数和(自身を除く): 22341776

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 736, 28789, 57578, 115156, 230312, 460624, 662147, 921248, 1324294, 2648588, 5297176, 10594352, 21188704]

約数ペア:

[(1, 21188704), (2, 10594352), (4, 5297176), (8, 2648588), (16, 1324294), (23, 921248), (32, 662147), (46, 460624), (92, 230312), (184, 115156), (368, 57578), (736, 28789)]