21769384

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1759}}^1$

素因数の和:1802

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 31453016

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1759, 1768, 3094, 3518, 6188, 7036, 12313, 12376, 14072, 22867, 24626, 29903, 45734, 49252, 59806, 91468, 98504, 119612, 160069, 182936, 209321, 239224, 320138, 388739, 418642, 640276, 777478, 837284, 1280552, 1554956, 1674568, 2721173, 3109912, 5442346, 10884692, 21769384]

約数ペア:

[(1, 21769384), (2, 10884692), (4, 5442346), (7, 3109912), (8, 2721173), (13, 1674568), (14, 1554956), (17, 1280552), (26, 837284), (28, 777478), (34, 640276), (52, 418642), (56, 388739), (68, 320138), (91, 239224), (104, 209321), (119, 182936), (136, 160069), (182, 119612), (221, 98504), (238, 91468), (364, 59806), (442, 49252), (476, 45734), (728, 29903), (884, 24626), (952, 22867), (1547, 14072), (1759, 12376), (1768, 12313), (3094, 7036), (3518, 6188)]