21308576

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 44724960

約数和(自身を除く): 23416384

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 101, 152, 202, 304, 347, 404, 608, 694, 808, 1388, 1616, 1919, 2776, 3232, 3838, 5552, 6593, 7676, 11104, 13186, 15352, 26372, 30704, 35047, 52744, 61408, 70094, 105488, 140188, 210976, 280376, 560752, 665893, 1121504, 1331786, 2663572, 5327144, 10654288, 21308576]

約数ペア:

[(1, 21308576), (2, 10654288), (4, 5327144), (8, 2663572), (16, 1331786), (19, 1121504), (32, 665893), (38, 560752), (76, 280376), (101, 210976), (152, 140188), (202, 105488), (304, 70094), (347, 61408), (404, 52744), (608, 35047), (694, 30704), (808, 26372), (1388, 15352), (1616, 13186), (1919, 11104), (2776, 7676), (3232, 6593), (3838, 5552)]