21309036

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253679}}^1$

素因数の和:253693

約数の個数: 24

約数和(自身を含む): 56824320

約数和(自身を除く): 35515284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253679, 507358, 761037, 1014716, 1522074, 1775753, 3044148, 3551506, 5327259, 7103012, 10654518, 21309036]

約数ペア:

[(1, 21309036), (2, 10654518), (3, 7103012), (4, 5327259), (6, 3551506), (7, 3044148), (12, 1775753), (14, 1522074), (21, 1014716), (28, 761037), (42, 507358), (84, 253679)]