21383432

素因数分解:

$2^3\times 7^1\times {\mathrm{421}}^1\times {\mathrm{907}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 45981120

約数和(自身を除く): 24597688

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 421, 842, 907, 1684, 1814, 2947, 3368, 3628, 5894, 6349, 7256, 11788, 12698, 23576, 25396, 50792, 381847, 763694, 1527388, 2672929, 3054776, 5345858, 10691716, 21383432]

約数ペア:

[(1, 21383432), (2, 10691716), (4, 5345858), (7, 3054776), (8, 2672929), (14, 1527388), (28, 763694), (56, 381847), (421, 50792), (842, 25396), (907, 23576), (1684, 12698), (1814, 11788), (2947, 7256), (3368, 6349), (3628, 5894)]