21316144

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{36007}}^1$

素因数の和:36052

約数の個数: 20

約数和(自身を含む): 42417424

約数和(自身を除く): 21101280

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 36007, 72014, 144028, 288056, 576112, 1332259, 2664518, 5329036, 10658072, 21316144]

約数ペア:

[(1, 21316144), (2, 10658072), (4, 5329036), (8, 2664518), (16, 1332259), (37, 576112), (74, 288056), (148, 144028), (296, 72014), (592, 36007)]