21144736

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{827}}^1$

素因数の和:901

約数の個数: 48

約数和(自身を含む): 45069696

約数和(自身を除く): 23924960

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 47, 68, 94, 136, 188, 272, 376, 544, 752, 799, 827, 1504, 1598, 1654, 3196, 3308, 6392, 6616, 12784, 13232, 14059, 25568, 26464, 28118, 38869, 56236, 77738, 112472, 155476, 224944, 310952, 449888, 621904, 660773, 1243808, 1321546, 2643092, 5286184, 10572368, 21144736]

約数ペア:

[(1, 21144736), (2, 10572368), (4, 5286184), (8, 2643092), (16, 1321546), (17, 1243808), (32, 660773), (34, 621904), (47, 449888), (68, 310952), (94, 224944), (136, 155476), (188, 112472), (272, 77738), (376, 56236), (544, 38869), (752, 28118), (799, 26464), (827, 25568), (1504, 14059), (1598, 13232), (1654, 12784), (3196, 6616), (3308, 6392)]