21006064

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{3307}}^1$

素因数の和:3712

約数の個数: 20

約数和(自身を含む): 40814104

約数和(自身を除く): 19808040

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 3307, 6352, 6614, 13228, 26456, 52912, 1312879, 2625758, 5251516, 10503032, 21006064]

約数ペア:

[(1, 21006064), (2, 10503032), (4, 5251516), (8, 2625758), (16, 1312879), (397, 52912), (794, 26456), (1588, 13228), (3176, 6614), (3307, 6352)]