21962940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{941}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 61719840

約数和(自身を除く): 39756900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 389, 778, 941, 1167, 1556, 1882, 1945, 2334, 2823, 3764, 3890, 4668, 4705, 5646, 5835, 7780, 9410, 11292, 11670, 14115, 18820, 23340, 28230, 56460, 366049, 732098, 1098147, 1464196, 1830245, 2196294, 3660490, 4392588, 5490735, 7320980, 10981470, 21962940]

約数ペア:

[(1, 21962940), (2, 10981470), (3, 7320980), (4, 5490735), (5, 4392588), (6, 3660490), (10, 2196294), (12, 1830245), (15, 1464196), (20, 1098147), (30, 732098), (60, 366049), (389, 56460), (778, 28230), (941, 23340), (1167, 18820), (1556, 14115), (1882, 11670), (1945, 11292), (2334, 9410), (2823, 7780), (3764, 5835), (3890, 5646), (4668, 4705)]