21037509290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{300535847}}^1$

素因数の和:300535861

約数の個数: 16

約数和(自身を含む): 43277162112

約数和(自身を除く): 22239652822

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 300535847, 601071694, 1502679235, 2103750929, 3005358470, 4207501858, 10518754645, 21037509290]

約数ペア:

[(1, 21037509290), (2, 10518754645), (5, 4207501858), (7, 3005358470), (10, 2103750929), (14, 1502679235), (35, 601071694), (70, 300535847)]