21549306

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{449}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 45576000

約数和(自身を除く): 24026694

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 421, 449, 842, 898, 1263, 1347, 2526, 2694, 7999, 8531, 15998, 17062, 23997, 25593, 47994, 51186, 189029, 378058, 567087, 1134174, 3591551, 7183102, 10774653, 21549306]

約数ペア:

[(1, 21549306), (2, 10774653), (3, 7183102), (6, 3591551), (19, 1134174), (38, 567087), (57, 378058), (114, 189029), (421, 51186), (449, 47994), (842, 25593), (898, 23997), (1263, 17062), (1347, 15998), (2526, 8531), (2694, 7999)]