21897728

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{2251}}^1$

素因数の和:2288

約数の個数: 40

約数和(自身を含む): 46075920

約数和(自身を除く): 24178192

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2251, 2432, 4502, 4864, 9004, 9728, 18008, 36016, 42769, 72032, 85538, 144064, 171076, 288128, 342152, 576256, 684304, 1152512, 1368608, 2737216, 5474432, 10948864, 21897728]

約数ペア:

[(1, 21897728), (2, 10948864), (4, 5474432), (8, 2737216), (16, 1368608), (19, 1152512), (32, 684304), (38, 576256), (64, 342152), (76, 288128), (128, 171076), (152, 144064), (256, 85538), (304, 72032), (512, 42769), (608, 36016), (1216, 18008), (2251, 9728), (2432, 9004), (4502, 4864)]