21228072

素因数分解:

$2^3\times 3^1\times {\mathrm{347}}^1\times {\mathrm{2549}}^1$

素因数の和:2905

約数の個数: 32

約数和(自身を含む): 53244000

約数和(自身を除く): 32015928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 347, 694, 1041, 1388, 2082, 2549, 2776, 4164, 5098, 7647, 8328, 10196, 15294, 20392, 30588, 61176, 884503, 1769006, 2653509, 3538012, 5307018, 7076024, 10614036, 21228072]

約数ペア:

[(1, 21228072), (2, 10614036), (3, 7076024), (4, 5307018), (6, 3538012), (8, 2653509), (12, 1769006), (24, 884503), (347, 61176), (694, 30588), (1041, 20392), (1388, 15294), (2082, 10196), (2549, 8328), (2776, 7647), (4164, 5098)]