21780712818

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{4049}}^1$

素因数の和:4332

約数の個数: 96

約数和(自身を含む): 49913463600

約数和(自身を除く): 28132750782

約数列:

[1, 2, 3, 6, 9, 18, 37, 41, 74, 82, 111, 123, 197, 222, 246, 333, 369, 394, 591, 666, 738, 1182, 1517, 1773, 3034, 3546, 4049, 4551, 7289, 8077, 8098, 9102, 12147, 13653, 14578, 16154, 21867, 24231, 24294, 27306, 36441, 43734, 48462, 65601, 72693, 72882, 131202, 145386, 149813, 166009, 298849, 299626, 332018, 449439, 498027, 597698, 797653, 896547, 898878, 996054, 1348317, 1494081, 1595306, 1793094, 2392959, 2689641, 2696634, 2988162, 4785918, 5379282, 6142333, 7178877, 12284666, 14357754, 18426999, 29513161, 32703773, 36853998, 55280997, 59026322, 65407546, 88539483, 98111319, 110561994, 177078966, 196222638, 265618449, 294333957, 531236898, 588667914, 1210039601, 2420079202, 3630118803, 7260237606, 10890356409, 21780712818]

約数ペア:

[(1, 21780712818), (2, 10890356409), (3, 7260237606), (6, 3630118803), (9, 2420079202), (18, 1210039601), (37, 588667914), (41, 531236898), (74, 294333957), (82, 265618449), (111, 196222638), (123, 177078966), (197, 110561994), (222, 98111319), (246, 88539483), (333, 65407546), (369, 59026322), (394, 55280997), (591, 36853998), (666, 32703773), (738, 29513161), (1182, 18426999), (1517, 14357754), (1773, 12284666), (3034, 7178877), (3546, 6142333), (4049, 5379282), (4551, 4785918), (7289, 2988162), (8077, 2696634), (8098, 2689641), (9102, 2392959), (12147, 1793094), (13653, 1595306), (14578, 1494081), (16154, 1348317), (21867, 996054), (24231, 898878), (24294, 896547), (27306, 797653), (36441, 597698), (43734, 498027), (48462, 449439), (65601, 332018), (72693, 299626), (72882, 298849), (131202, 166009), (145386, 149813)]