21272472

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22727}}^1$

素因数の和:22752

約数の個数: 48

約数和(自身を含む): 62047440

約数和(自身を除く): 40774968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22727, 45454, 68181, 90908, 136362, 181816, 204543, 272724, 295451, 409086, 545448, 590902, 818172, 886353, 1181804, 1636344, 1772706, 2363608, 2659059, 3545412, 5318118, 7090824, 10636236, 21272472]

約数ペア:

[(1, 21272472), (2, 10636236), (3, 7090824), (4, 5318118), (6, 3545412), (8, 2659059), (9, 2363608), (12, 1772706), (13, 1636344), (18, 1181804), (24, 886353), (26, 818172), (36, 590902), (39, 545448), (52, 409086), (72, 295451), (78, 272724), (104, 204543), (117, 181816), (156, 136362), (234, 90908), (312, 68181), (468, 45454), (936, 22727)]