21099984

素因数分解:

$2^4\times 3^1\times {\mathrm{439583}}^1$

素因数の和:439594

約数の個数: 20

約数和(自身を含む): 54508416

約数和(自身を除く): 33408432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 439583, 879166, 1318749, 1758332, 2637498, 3516664, 5274996, 7033328, 10549992, 21099984]

約数ペア:

[(1, 21099984), (2, 10549992), (3, 7033328), (4, 5274996), (6, 3516664), (8, 2637498), (12, 1758332), (16, 1318749), (24, 879166), (48, 439583)]