21177376

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3539}}^1$

素因数の和:3577

約数の個数: 48

約数和(自身を含む): 48172320

約数和(自身を除く): 26994944

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3539, 5984, 7078, 14156, 28312, 38929, 56624, 60163, 77858, 113248, 120326, 155716, 240652, 311432, 481304, 622864, 661793, 962608, 1245728, 1323586, 1925216, 2647172, 5294344, 10588688, 21177376]

約数ペア:

[(1, 21177376), (2, 10588688), (4, 5294344), (8, 2647172), (11, 1925216), (16, 1323586), (17, 1245728), (22, 962608), (32, 661793), (34, 622864), (44, 481304), (68, 311432), (88, 240652), (136, 155716), (176, 120326), (187, 113248), (272, 77858), (352, 60163), (374, 56624), (544, 38929), (748, 28312), (1496, 14156), (2992, 7078), (3539, 5984)]