21032264

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{827}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 45755280

約数和(自身を除く): 24723016

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 289, 374, 578, 748, 827, 1156, 1496, 1654, 2312, 3179, 3308, 6358, 6616, 9097, 12716, 14059, 18194, 25432, 28118, 36388, 56236, 72776, 112472, 154649, 239003, 309298, 478006, 618596, 956012, 1237192, 1912024, 2629033, 5258066, 10516132, 21032264]

約数ペア:

[(1, 21032264), (2, 10516132), (4, 5258066), (8, 2629033), (11, 1912024), (17, 1237192), (22, 956012), (34, 618596), (44, 478006), (68, 309298), (88, 239003), (136, 154649), (187, 112472), (289, 72776), (374, 56236), (578, 36388), (748, 28118), (827, 25432), (1156, 18194), (1496, 14059), (1654, 12716), (2312, 9097), (3179, 6616), (3308, 6358)]