21165536

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1549}}^1$

素因数の和:1627

約数の個数: 48

約数和(自身を含む): 48434400

約数和(自身を除く): 27268864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 427, 488, 854, 976, 1549, 1708, 1952, 3098, 3416, 6196, 6832, 10843, 12392, 13664, 21686, 24784, 43372, 49568, 86744, 94489, 173488, 188978, 346976, 377956, 661423, 755912, 1322846, 1511824, 2645692, 3023648, 5291384, 10582768, 21165536]

約数ペア:

[(1, 21165536), (2, 10582768), (4, 5291384), (7, 3023648), (8, 2645692), (14, 1511824), (16, 1322846), (28, 755912), (32, 661423), (56, 377956), (61, 346976), (112, 188978), (122, 173488), (224, 94489), (244, 86744), (427, 49568), (488, 43372), (854, 24784), (976, 21686), (1549, 13664), (1708, 12392), (1952, 10843), (3098, 6832), (3416, 6196)]