21513684

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{599}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 52214400

約数和(自身を除く): 30700716

約数列:

[1, 2, 3, 4, 6, 12, 41, 73, 82, 123, 146, 164, 219, 246, 292, 438, 492, 599, 876, 1198, 1797, 2396, 2993, 3594, 5986, 7188, 8979, 11972, 17958, 24559, 35916, 43727, 49118, 73677, 87454, 98236, 131181, 147354, 174908, 262362, 294708, 524724, 1792807, 3585614, 5378421, 7171228, 10756842, 21513684]

約数ペア:

[(1, 21513684), (2, 10756842), (3, 7171228), (4, 5378421), (6, 3585614), (12, 1792807), (41, 524724), (73, 294708), (82, 262362), (123, 174908), (146, 147354), (164, 131181), (219, 98236), (246, 87454), (292, 73677), (438, 49118), (492, 43727), (599, 35916), (876, 24559), (1198, 17958), (1797, 11972), (2396, 8979), (2993, 7188), (3594, 5986)]