21016944

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 120

約数和(自身を含む): 64544480

約数和(自身を除く): 43527536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 103, 104, 109, 117, 144, 156, 206, 208, 218, 234, 309, 312, 327, 412, 436, 468, 618, 624, 654, 824, 872, 927, 936, 981, 1236, 1308, 1339, 1417, 1648, 1744, 1854, 1872, 1962, 2472, 2616, 2678, 2834, 3708, 3924, 4017, 4251, 4944, 5232, 5356, 5668, 7416, 7848, 8034, 8502, 10712, 11227, 11336, 12051, 12753, 14832, 15696, 16068, 17004, 21424, 22454, 22672, 24102, 25506, 32136, 33681, 34008, 44908, 48204, 51012, 64272, 67362, 68016, 89816, 96408, 101043, 102024, 134724, 145951, 179632, 192816, 202086, 204048, 269448, 291902, 404172, 437853, 538896, 583804, 808344, 875706, 1167608, 1313559, 1616688, 1751412, 2335216, 2627118, 3502824, 5254236, 7005648, 10508472, 21016944]

約数ペア:

[(1, 21016944), (2, 10508472), (3, 7005648), (4, 5254236), (6, 3502824), (8, 2627118), (9, 2335216), (12, 1751412), (13, 1616688), (16, 1313559), (18, 1167608), (24, 875706), (26, 808344), (36, 583804), (39, 538896), (48, 437853), (52, 404172), (72, 291902), (78, 269448), (103, 204048), (104, 202086), (109, 192816), (117, 179632), (144, 145951), (156, 134724), (206, 102024), (208, 101043), (218, 96408), (234, 89816), (309, 68016), (312, 67362), (327, 64272), (412, 51012), (436, 48204), (468, 44908), (618, 34008), (624, 33681), (654, 32136), (824, 25506), (872, 24102), (927, 22672), (936, 22454), (981, 21424), (1236, 17004), (1308, 16068), (1339, 15696), (1417, 14832), (1648, 12753), (1744, 12051), (1854, 11336), (1872, 11227), (1962, 10712), (2472, 8502), (2616, 8034), (2678, 7848), (2834, 7416), (3708, 5668), (3924, 5356), (4017, 5232), (4251, 4944)]