21949260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1019}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 61689600

約数和(自身を除く): 39740340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 359, 718, 1019, 1077, 1436, 1795, 2038, 2154, 3057, 3590, 4076, 4308, 5095, 5385, 6114, 7180, 10190, 10770, 12228, 15285, 20380, 21540, 30570, 61140, 365821, 731642, 1097463, 1463284, 1829105, 2194926, 3658210, 4389852, 5487315, 7316420, 10974630, 21949260]

約数ペア:

[(1, 21949260), (2, 10974630), (3, 7316420), (4, 5487315), (5, 4389852), (6, 3658210), (10, 2194926), (12, 1829105), (15, 1463284), (20, 1097463), (30, 731642), (60, 365821), (359, 61140), (718, 30570), (1019, 21540), (1077, 20380), (1436, 15285), (1795, 12228), (2038, 10770), (2154, 10190), (3057, 7180), (3590, 6114), (4076, 5385), (4308, 5095)]