21750376

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{373}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 42209640

約数和(自身を除く): 20459264

約数列:

[1, 2, 4, 8, 37, 74, 148, 197, 296, 373, 394, 746, 788, 1492, 1576, 2984, 7289, 13801, 14578, 27602, 29156, 55204, 58312, 73481, 110408, 146962, 293924, 587848, 2718797, 5437594, 10875188, 21750376]

約数ペア:

[(1, 21750376), (2, 10875188), (4, 5437594), (8, 2718797), (37, 587848), (74, 293924), (148, 146962), (197, 110408), (296, 73481), (373, 58312), (394, 55204), (746, 29156), (788, 27602), (1492, 14578), (1576, 13801), (2984, 7289)]