21216776

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6211}}^1$

素因数の和:6285

約数の個数: 32

約数和(自身を含む): 46217280

約数和(自身を除く): 25000504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 6211, 12422, 24844, 43477, 49688, 86954, 173908, 347816, 378871, 757742, 1515484, 2652097, 3030968, 5304194, 10608388, 21216776]

約数ペア:

[(1, 21216776), (2, 10608388), (4, 5304194), (7, 3030968), (8, 2652097), (14, 1515484), (28, 757742), (56, 378871), (61, 347816), (122, 173908), (244, 86954), (427, 49688), (488, 43477), (854, 24844), (1708, 12422), (3416, 6211)]