21152512

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{1559}}^1$

素因数の和:1628

約数の個数: 36

約数和(自身を含む): 43046640

約数和(自身を除く): 21894128

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 424, 848, 1559, 1696, 3118, 3392, 6236, 6784, 12472, 13568, 24944, 49888, 82627, 99776, 165254, 199552, 330508, 399104, 661016, 1322032, 2644064, 5288128, 10576256, 21152512]

約数ペア:

[(1, 21152512), (2, 10576256), (4, 5288128), (8, 2644064), (16, 1322032), (32, 661016), (53, 399104), (64, 330508), (106, 199552), (128, 165254), (212, 99776), (256, 82627), (424, 49888), (848, 24944), (1559, 13568), (1696, 12472), (3118, 6784), (3392, 6236)]