21238056

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42139}}^1$

素因数の和:42158

約数の個数: 48

約数和(自身を含む): 65738400

約数和(自身を除く): 44500344

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 42139, 84278, 126417, 168556, 252834, 294973, 337112, 379251, 505668, 589946, 758502, 884919, 1011336, 1179892, 1517004, 1769838, 2359784, 2654757, 3034008, 3539676, 5309514, 7079352, 10619028, 21238056]

約数ペア:

[(1, 21238056), (2, 10619028), (3, 7079352), (4, 5309514), (6, 3539676), (7, 3034008), (8, 2654757), (9, 2359784), (12, 1769838), (14, 1517004), (18, 1179892), (21, 1011336), (24, 884919), (28, 758502), (36, 589946), (42, 505668), (56, 379251), (63, 337112), (72, 294973), (84, 252834), (126, 168556), (168, 126417), (252, 84278), (504, 42139)]