21515072652

素因数分解:

$2^2\times 3^2\times {\mathrm{257}}^1\times {\mathrm{271}}^1\times {\mathrm{8581}}^1$

素因数の和:9119

約数の個数: 72

約数和(自身を含む): 54804789312

約数和(自身を除く): 33289716660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 257, 271, 514, 542, 771, 813, 1028, 1084, 1542, 1626, 2313, 2439, 3084, 3252, 4626, 4878, 8581, 9252, 9756, 17162, 25743, 34324, 51486, 69647, 77229, 102972, 139294, 154458, 208941, 278588, 308916, 417882, 626823, 835764, 1253646, 2205317, 2325451, 2507292, 4410634, 4650902, 6615951, 6976353, 8821268, 9301804, 13231902, 13952706, 19847853, 20929059, 26463804, 27905412, 39695706, 41858118, 79391412, 83716236, 597640907, 1195281814, 1792922721, 2390563628, 3585845442, 5378768163, 7171690884, 10757536326, 21515072652]

約数ペア:

[(1, 21515072652), (2, 10757536326), (3, 7171690884), (4, 5378768163), (6, 3585845442), (9, 2390563628), (12, 1792922721), (18, 1195281814), (36, 597640907), (257, 83716236), (271, 79391412), (514, 41858118), (542, 39695706), (771, 27905412), (813, 26463804), (1028, 20929059), (1084, 19847853), (1542, 13952706), (1626, 13231902), (2313, 9301804), (2439, 8821268), (3084, 6976353), (3252, 6615951), (4626, 4650902), (4878, 4410634), (8581, 2507292), (9252, 2325451), (9756, 2205317), (17162, 1253646), (25743, 835764), (34324, 626823), (51486, 417882), (69647, 308916), (77229, 278588), (102972, 208941), (139294, 154458)]