21673984

素因数分解:

$2^{11}\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 45700200

約数和(自身を除く): 24026216

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 557, 608, 1024, 1114, 1216, 2048, 2228, 2432, 4456, 4864, 8912, 9728, 10583, 17824, 19456, 21166, 35648, 38912, 42332, 71296, 84664, 142592, 169328, 285184, 338656, 570368, 677312, 1140736, 1354624, 2709248, 5418496, 10836992, 21673984]

約数ペア:

[(1, 21673984), (2, 10836992), (4, 5418496), (8, 2709248), (16, 1354624), (19, 1140736), (32, 677312), (38, 570368), (64, 338656), (76, 285184), (128, 169328), (152, 142592), (256, 84664), (304, 71296), (512, 42332), (557, 38912), (608, 35648), (1024, 21166), (1114, 19456), (1216, 17824), (2048, 10583), (2228, 9728), (2432, 8912), (4456, 4864)]