21093340016

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{33577}}^1$

素因数の和:33742

約数の個数: 80

約数和(自身を含む): 47965501440

約数和(自身を除く): 26872161424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 79, 112, 142, 158, 284, 316, 497, 553, 568, 632, 994, 1106, 1136, 1264, 1988, 2212, 3976, 4424, 5609, 7952, 8848, 11218, 22436, 33577, 39263, 44872, 67154, 78526, 89744, 134308, 157052, 235039, 268616, 314104, 470078, 537232, 628208, 940156, 1880312, 2383967, 2652583, 3760624, 4767934, 5305166, 9535868, 10610332, 16687769, 18568081, 19071736, 21220664, 33375538, 37136162, 38143472, 42441328, 66751076, 74272324, 133502152, 148544648, 188333393, 267004304, 297089296, 376666786, 753333572, 1318333751, 1506667144, 2636667502, 3013334288, 5273335004, 10546670008, 21093340016]

約数ペア:

[(1, 21093340016), (2, 10546670008), (4, 5273335004), (7, 3013334288), (8, 2636667502), (14, 1506667144), (16, 1318333751), (28, 753333572), (56, 376666786), (71, 297089296), (79, 267004304), (112, 188333393), (142, 148544648), (158, 133502152), (284, 74272324), (316, 66751076), (497, 42441328), (553, 38143472), (568, 37136162), (632, 33375538), (994, 21220664), (1106, 19071736), (1136, 18568081), (1264, 16687769), (1988, 10610332), (2212, 9535868), (3976, 5305166), (4424, 4767934), (5609, 3760624), (7952, 2652583), (8848, 2383967), (11218, 1880312), (22436, 940156), (33577, 628208), (39263, 537232), (44872, 470078), (67154, 314104), (78526, 268616), (89744, 235039), (134308, 157052)]