21364952

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{397}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 47425680

約数和(自身を除く): 26060728

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 397, 434, 794, 868, 961, 1588, 1736, 1922, 2779, 3176, 3844, 5558, 6727, 7688, 11116, 12307, 13454, 22232, 24614, 26908, 49228, 53816, 86149, 98456, 172298, 344596, 381517, 689192, 763034, 1526068, 2670619, 3052136, 5341238, 10682476, 21364952]

約数ペア:

[(1, 21364952), (2, 10682476), (4, 5341238), (7, 3052136), (8, 2670619), (14, 1526068), (28, 763034), (31, 689192), (56, 381517), (62, 344596), (124, 172298), (217, 98456), (248, 86149), (397, 53816), (434, 49228), (794, 26908), (868, 24614), (961, 22232), (1588, 13454), (1736, 12307), (1922, 11116), (2779, 7688), (3176, 6727), (3844, 5558)]