21517384

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6299}}^1$

素因数の和:6373

約数の個数: 32

約数和(自身を含む): 46872000

約数和(自身を除く): 25354616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 6299, 12598, 25196, 44093, 50392, 88186, 176372, 352744, 384239, 768478, 1536956, 2689673, 3073912, 5379346, 10758692, 21517384]

約数ペア:

[(1, 21517384), (2, 10758692), (4, 5379346), (7, 3073912), (8, 2689673), (14, 1536956), (28, 768478), (56, 384239), (61, 352744), (122, 176372), (244, 88186), (427, 50392), (488, 44093), (854, 25196), (1708, 12598), (3416, 6299)]