21771885

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 36017280

約数和(自身を除く): 14245395

約数列:

[1, 3, 5, 15, 59, 73, 177, 219, 295, 337, 365, 885, 1011, 1095, 1685, 4307, 5055, 12921, 19883, 21535, 24601, 59649, 64605, 73803, 99415, 123005, 298245, 369015, 1451459, 4354377, 7257295, 21771885]

約数ペア:

[(1, 21771885), (3, 7257295), (5, 4354377), (15, 1451459), (59, 369015), (73, 298245), (177, 123005), (219, 99415), (295, 73803), (337, 64605), (365, 59649), (885, 24601), (1011, 21535), (1095, 19883), (1685, 12921), (4307, 5055)]