21099448

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{929}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 42184800

約数和(自身を除く): 21085352

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 167, 334, 668, 929, 1336, 1858, 2839, 3716, 5678, 7432, 11356, 15793, 22712, 31586, 63172, 126344, 155143, 310286, 620572, 1241144, 2637431, 5274862, 10549724, 21099448]

約数ペア:

[(1, 21099448), (2, 10549724), (4, 5274862), (8, 2637431), (17, 1241144), (34, 620572), (68, 310286), (136, 155143), (167, 126344), (334, 63172), (668, 31586), (929, 22712), (1336, 15793), (1858, 11356), (2839, 7432), (3716, 5678)]