21899392

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5519}}^1$

素因数の和:5564

約数の個数: 32

約数和(自身を含む): 45043200

約数和(自身を除く): 23143808

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5519, 11038, 22076, 44152, 88304, 171089, 176608, 342178, 353216, 684356, 706432, 1368712, 2737424, 5474848, 10949696, 21899392]

約数ペア:

[(1, 21899392), (2, 10949696), (4, 5474848), (8, 2737424), (16, 1368712), (31, 706432), (32, 684356), (62, 353216), (64, 342178), (124, 176608), (128, 171089), (248, 88304), (496, 44152), (992, 22076), (1984, 11038), (3968, 5519)]