21155392

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10663}}^1$

素因数の和:10706

約数の個数: 28

約数和(自身を含む): 43338496

約数和(自身を除く): 22183104

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10663, 21326, 42652, 85304, 170608, 330553, 341216, 661106, 682432, 1322212, 2644424, 5288848, 10577696, 21155392]

約数ペア:

[(1, 21155392), (2, 10577696), (4, 5288848), (8, 2644424), (16, 1322212), (31, 682432), (32, 661106), (62, 341216), (64, 330553), (124, 170608), (248, 85304), (496, 42652), (992, 21326), (1984, 10663)]