21098838

素因数分解:

$2^1\times 3^1\times {\mathrm{503}}^1\times {\mathrm{6991}}^1$

素因数の和:7499

約数の個数: 16

約数和(自身を含む): 42287616

約数和(自身を除く): 21188778

約数列:

[1, 2, 3, 6, 503, 1006, 1509, 3018, 6991, 13982, 20973, 41946, 3516473, 7032946, 10549419, 21098838]

約数ペア:

[(1, 21098838), (2, 10549419), (3, 7032946), (6, 3516473), (503, 41946), (1006, 20973), (1509, 13982), (3018, 6991)]