21874158

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 51148800

約数和(自身を除く): 29274642

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 73, 93, 146, 179, 186, 219, 279, 358, 438, 537, 558, 657, 837, 1074, 1314, 1611, 1674, 1971, 2263, 3222, 3942, 4526, 4833, 5549, 6789, 9666, 11098, 13067, 13578, 16647, 20367, 26134, 33294, 39201, 40734, 49941, 61101, 78402, 99882, 117603, 122202, 149823, 235206, 299646, 352809, 405077, 705618, 810154, 1215231, 2430462, 3645693, 7291386, 10937079, 21874158]

約数ペア:

[(1, 21874158), (2, 10937079), (3, 7291386), (6, 3645693), (9, 2430462), (18, 1215231), (27, 810154), (31, 705618), (54, 405077), (62, 352809), (73, 299646), (93, 235206), (146, 149823), (179, 122202), (186, 117603), (219, 99882), (279, 78402), (358, 61101), (438, 49941), (537, 40734), (558, 39201), (657, 33294), (837, 26134), (1074, 20367), (1314, 16647), (1611, 13578), (1674, 13067), (1971, 11098), (2263, 9666), (3222, 6789), (3942, 5549), (4526, 4833)]