21966345

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 39836160

約数和(自身を除く): 17869815

約数列:

[1, 3, 5, 9, 15, 37, 45, 79, 111, 167, 185, 237, 333, 395, 501, 555, 711, 835, 1185, 1503, 1665, 2505, 2923, 3555, 6179, 7515, 8769, 13193, 14615, 18537, 26307, 30895, 39579, 43845, 55611, 65965, 92685, 118737, 131535, 197895, 278055, 488141, 593685, 1464423, 2440705, 4393269, 7322115, 21966345]

約数ペア:

[(1, 21966345), (3, 7322115), (5, 4393269), (9, 2440705), (15, 1464423), (37, 593685), (45, 488141), (79, 278055), (111, 197895), (167, 131535), (185, 118737), (237, 92685), (333, 65965), (395, 55611), (501, 43845), (555, 39579), (711, 30895), (835, 26307), (1185, 18537), (1503, 14615), (1665, 13193), (2505, 8769), (2923, 7515), (3555, 6179)]