21407452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{883}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 44553600

約数和(自身を除く): 23146148

約数列:

[1, 2, 4, 11, 19, 22, 29, 38, 44, 58, 76, 116, 209, 319, 418, 551, 638, 836, 883, 1102, 1276, 1766, 2204, 3532, 6061, 9713, 12122, 16777, 19426, 24244, 25607, 33554, 38852, 51214, 67108, 102428, 184547, 281677, 369094, 486533, 563354, 738188, 973066, 1126708, 1946132, 5351863, 10703726, 21407452]

約数ペア:

[(1, 21407452), (2, 10703726), (4, 5351863), (11, 1946132), (19, 1126708), (22, 973066), (29, 738188), (38, 563354), (44, 486533), (58, 369094), (76, 281677), (116, 184547), (209, 102428), (319, 67108), (418, 51214), (551, 38852), (638, 33554), (836, 25607), (883, 24244), (1102, 19426), (1276, 16777), (1766, 12122), (2204, 9713), (3532, 6061)]