21299436

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^1\times {\mathrm{1289}}^1$

素因数の和:1325

約数の個数: 72

約数和(自身を含む): 59164560

約数和(自身を除く): 37865124

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 243, 306, 324, 459, 486, 612, 918, 972, 1289, 1377, 1836, 2578, 2754, 3867, 4131, 5156, 5508, 7734, 8262, 11601, 15468, 16524, 21913, 23202, 34803, 43826, 46404, 65739, 69606, 87652, 104409, 131478, 139212, 197217, 208818, 262956, 313227, 394434, 417636, 591651, 626454, 788868, 1183302, 1252908, 1774953, 2366604, 3549906, 5324859, 7099812, 10649718, 21299436]

約数ペア:

[(1, 21299436), (2, 10649718), (3, 7099812), (4, 5324859), (6, 3549906), (9, 2366604), (12, 1774953), (17, 1252908), (18, 1183302), (27, 788868), (34, 626454), (36, 591651), (51, 417636), (54, 394434), (68, 313227), (81, 262956), (102, 208818), (108, 197217), (153, 139212), (162, 131478), (204, 104409), (243, 87652), (306, 69606), (324, 65739), (459, 46404), (486, 43826), (612, 34803), (918, 23202), (972, 21913), (1289, 16524), (1377, 15468), (1836, 11601), (2578, 8262), (2754, 7734), (3867, 5508), (4131, 5156)]