21180592

素因数分解:

$2^4\times {\mathrm{19}}^3\times {\mathrm{193}}^1$

素因数の和:258

約数の個数: 40

約数和(自身を含む): 43541360

約数和(自身を除く): 22360768

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 193, 304, 361, 386, 722, 772, 1444, 1544, 2888, 3088, 3667, 5776, 6859, 7334, 13718, 14668, 27436, 29336, 54872, 58672, 69673, 109744, 139346, 278692, 557384, 1114768, 1323787, 2647574, 5295148, 10590296, 21180592]

約数ペア:

[(1, 21180592), (2, 10590296), (4, 5295148), (8, 2647574), (16, 1323787), (19, 1114768), (38, 557384), (76, 278692), (152, 139346), (193, 109744), (304, 69673), (361, 58672), (386, 54872), (722, 29336), (772, 27436), (1444, 14668), (1544, 13718), (2888, 7334), (3088, 6859), (3667, 5776)]