21303792

素因数分解:

$2^4\times 3^2\times {\mathrm{337}}^1\times {\mathrm{439}}^1$

素因数の和:790

約数の個数: 60

約数和(自身を含む): 59934160

約数和(自身を除く): 38630368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 337, 439, 674, 878, 1011, 1317, 1348, 1756, 2022, 2634, 2696, 3033, 3512, 3951, 4044, 5268, 5392, 6066, 7024, 7902, 8088, 10536, 12132, 15804, 16176, 21072, 24264, 31608, 48528, 63216, 147943, 295886, 443829, 591772, 887658, 1183544, 1331487, 1775316, 2367088, 2662974, 3550632, 5325948, 7101264, 10651896, 21303792]

約数ペア:

[(1, 21303792), (2, 10651896), (3, 7101264), (4, 5325948), (6, 3550632), (8, 2662974), (9, 2367088), (12, 1775316), (16, 1331487), (18, 1183544), (24, 887658), (36, 591772), (48, 443829), (72, 295886), (144, 147943), (337, 63216), (439, 48528), (674, 31608), (878, 24264), (1011, 21072), (1317, 16176), (1348, 15804), (1756, 12132), (2022, 10536), (2634, 8088), (2696, 7902), (3033, 7024), (3512, 6066), (3951, 5392), (4044, 5268)]