21625352

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12457}}^1$

素因数の和:12501

約数の個数: 32

約数和(自身を含む): 47838720

約数和(自身を除く): 26213368

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12457, 24914, 49828, 87199, 99656, 174398, 348796, 386167, 697592, 772334, 1544668, 2703169, 3089336, 5406338, 10812676, 21625352]

約数ペア:

[(1, 21625352), (2, 10812676), (4, 5406338), (7, 3089336), (8, 2703169), (14, 1544668), (28, 772334), (31, 697592), (56, 386167), (62, 348796), (124, 174398), (217, 99656), (248, 87199), (434, 49828), (868, 24914), (1736, 12457)]