21512352

素因数分解:

$2^5\times 3^1\times {\mathrm{331}}^1\times {\mathrm{677}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 56724192

約数和(自身を除く): 35211840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 331, 662, 677, 993, 1324, 1354, 1986, 2031, 2648, 2708, 3972, 4062, 5296, 5416, 7944, 8124, 10592, 10832, 15888, 16248, 21664, 31776, 32496, 64992, 224087, 448174, 672261, 896348, 1344522, 1792696, 2689044, 3585392, 5378088, 7170784, 10756176, 21512352]

約数ペア:

[(1, 21512352), (2, 10756176), (3, 7170784), (4, 5378088), (6, 3585392), (8, 2689044), (12, 1792696), (16, 1344522), (24, 896348), (32, 672261), (48, 448174), (96, 224087), (331, 64992), (662, 32496), (677, 31776), (993, 21664), (1324, 16248), (1354, 15888), (1986, 10832), (2031, 10592), (2648, 8124), (2708, 7944), (3972, 5416), (4062, 5296)]