21319284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253801}}^1$

素因数の和:253815

約数の個数: 24

約数和(自身を含む): 56851648

約数和(自身を除く): 35532364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253801, 507602, 761403, 1015204, 1522806, 1776607, 3045612, 3553214, 5329821, 7106428, 10659642, 21319284]

約数ペア:

[(1, 21319284), (2, 10659642), (3, 7106428), (4, 5329821), (6, 3553214), (7, 3045612), (12, 1776607), (14, 1522806), (21, 1015204), (28, 761403), (42, 507602), (84, 253801)]