21143484

素因数分解:

$2^2\times 3^3\times {\mathrm{137}}^1\times {\mathrm{1429}}^1$

素因数の和:1579

約数の個数: 48

約数和(自身を含む): 55255200

約数和(自身を除く): 34111716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 137, 274, 411, 548, 822, 1233, 1429, 1644, 2466, 2858, 3699, 4287, 4932, 5716, 7398, 8574, 12861, 14796, 17148, 25722, 38583, 51444, 77166, 154332, 195773, 391546, 587319, 783092, 1174638, 1761957, 2349276, 3523914, 5285871, 7047828, 10571742, 21143484]

約数ペア:

[(1, 21143484), (2, 10571742), (3, 7047828), (4, 5285871), (6, 3523914), (9, 2349276), (12, 1761957), (18, 1174638), (27, 783092), (36, 587319), (54, 391546), (108, 195773), (137, 154332), (274, 77166), (411, 51444), (548, 38583), (822, 25722), (1233, 17148), (1429, 14796), (1644, 12861), (2466, 8574), (2858, 7398), (3699, 5716), (4287, 4932)]