21194856

素因数分解:

$2^3\times 3^2\times {\mathrm{431}}^1\times {\mathrm{683}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 57620160

約数和(自身を除く): 36425304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 431, 683, 862, 1293, 1366, 1724, 2049, 2586, 2732, 3448, 3879, 4098, 5172, 5464, 6147, 7758, 8196, 10344, 12294, 15516, 16392, 24588, 31032, 49176, 294373, 588746, 883119, 1177492, 1766238, 2354984, 2649357, 3532476, 5298714, 7064952, 10597428, 21194856]

約数ペア:

[(1, 21194856), (2, 10597428), (3, 7064952), (4, 5298714), (6, 3532476), (8, 2649357), (9, 2354984), (12, 1766238), (18, 1177492), (24, 883119), (36, 588746), (72, 294373), (431, 49176), (683, 31032), (862, 24588), (1293, 16392), (1366, 15516), (1724, 12294), (2049, 10344), (2586, 8196), (2732, 7758), (3448, 6147), (3879, 5464), (4098, 5172)]