21649024

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9949}}^1$

素因数の和:9980

約数の個数: 32

約数和(自身を含む): 45670500

約数和(自身を除く): 24021476

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9949, 19898, 39796, 79592, 159184, 169133, 318368, 338266, 636736, 676532, 1273472, 1353064, 2706128, 5412256, 10824512, 21649024]

約数ペア:

[(1, 21649024), (2, 10824512), (4, 5412256), (8, 2706128), (16, 1353064), (17, 1273472), (32, 676532), (34, 636736), (64, 338266), (68, 318368), (128, 169133), (136, 159184), (272, 79592), (544, 39796), (1088, 19898), (2176, 9949)]