21556222

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 36403200

約数和(自身を除く): 14846978

約数列:

[1, 2, 19, 29, 31, 38, 58, 62, 551, 589, 631, 899, 1102, 1178, 1262, 1798, 11989, 17081, 18299, 19561, 23978, 34162, 36598, 39122, 347681, 371659, 567269, 695362, 743318, 1134538, 10778111, 21556222]

約数ペア:

[(1, 21556222), (2, 10778111), (19, 1134538), (29, 743318), (31, 695362), (38, 567269), (58, 371659), (62, 347681), (551, 39122), (589, 36598), (631, 34162), (899, 23978), (1102, 19561), (1178, 18299), (1262, 17081), (1798, 11989)]