21710119425

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{439}}^1\times {\mathrm{4813}}^1$

素因数の和:5402

約数の個数: 48

約数和(自身を含む): 36245953920

約数和(自身を除く): 14535834495

約数列:

[1, 3, 5, 15, 25, 75, 137, 411, 439, 685, 1317, 2055, 2195, 3425, 4813, 6585, 10275, 10975, 14439, 24065, 32925, 60143, 72195, 120325, 180429, 300715, 360975, 659381, 902145, 1503575, 1978143, 2112907, 3296905, 4510725, 6338721, 9890715, 10564535, 16484525, 31693605, 49453575, 52822675, 158468025, 289468259, 868404777, 1447341295, 4342023885, 7236706475, 21710119425]

約数ペア:

[(1, 21710119425), (3, 7236706475), (5, 4342023885), (15, 1447341295), (25, 868404777), (75, 289468259), (137, 158468025), (411, 52822675), (439, 49453575), (685, 31693605), (1317, 16484525), (2055, 10564535), (2195, 9890715), (3425, 6338721), (4813, 4510725), (6585, 3296905), (10275, 2112907), (10975, 1978143), (14439, 1503575), (24065, 902145), (32925, 659381), (60143, 360975), (72195, 300715), (120325, 180429)]