21613936

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{347}}^1$

素因数の和:601

約数の個数: 40

約数和(自身を含む): 44662320

約数和(自身を除く): 23048384

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 229, 272, 347, 458, 694, 916, 1388, 1832, 2776, 3664, 3893, 5552, 5899, 7786, 11798, 15572, 23596, 31144, 47192, 62288, 79463, 94384, 158926, 317852, 635704, 1271408, 1350871, 2701742, 5403484, 10806968, 21613936]

約数ペア:

[(1, 21613936), (2, 10806968), (4, 5403484), (8, 2701742), (16, 1350871), (17, 1271408), (34, 635704), (68, 317852), (136, 158926), (229, 94384), (272, 79463), (347, 62288), (458, 47192), (694, 31144), (916, 23596), (1388, 15572), (1832, 11798), (2776, 7786), (3664, 5899), (3893, 5552)]