21773086420

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1\times {\mathrm{19891}}^1$

素因数の和:20368

約数の個数: 48

約数和(自身を含む): 46117612800

約数和(自身を除く): 24344526380

約数列:

[1, 2, 4, 5, 10, 20, 229, 239, 458, 478, 916, 956, 1145, 1195, 2290, 2390, 4580, 4780, 19891, 39782, 54731, 79564, 99455, 109462, 198910, 218924, 273655, 397820, 547310, 1094620, 4555039, 4753949, 9110078, 9507898, 18220156, 19015796, 22775195, 23769745, 45550390, 47539490, 91100780, 95078980, 1088654321, 2177308642, 4354617284, 5443271605, 10886543210, 21773086420]

約数ペア:

[(1, 21773086420), (2, 10886543210), (4, 5443271605), (5, 4354617284), (10, 2177308642), (20, 1088654321), (229, 95078980), (239, 91100780), (458, 47539490), (478, 45550390), (916, 23769745), (956, 22775195), (1145, 19015796), (1195, 18220156), (2290, 9507898), (2390, 9110078), (4580, 4753949), (4780, 4555039), (19891, 1094620), (39782, 547310), (54731, 397820), (79564, 273655), (99455, 218924), (109462, 198910)]