21241552

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{677}}^1$

素因数の和:775

約数の個数: 40

約数和(自身を含む): 43128936

約数和(自身を除く): 21887384

約数列:

[1, 2, 4, 8, 16, 37, 53, 74, 106, 148, 212, 296, 424, 592, 677, 848, 1354, 1961, 2708, 3922, 5416, 7844, 10832, 15688, 25049, 31376, 35881, 50098, 71762, 100196, 143524, 200392, 287048, 400784, 574096, 1327597, 2655194, 5310388, 10620776, 21241552]

約数ペア:

[(1, 21241552), (2, 10620776), (4, 5310388), (8, 2655194), (16, 1327597), (37, 574096), (53, 400784), (74, 287048), (106, 200392), (148, 143524), (212, 100196), (296, 71762), (424, 50098), (592, 35881), (677, 31376), (848, 25049), (1354, 15688), (1961, 10832), (2708, 7844), (3922, 5416)]