21943712

素因数分解:

$2^5\times 7^1\times {\mathrm{163}}^1\times {\mathrm{601}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 49758912

約数和(自身を除く): 27815200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 163, 224, 326, 601, 652, 1141, 1202, 1304, 2282, 2404, 2608, 4207, 4564, 4808, 5216, 8414, 9128, 9616, 16828, 18256, 19232, 33656, 36512, 67312, 97963, 134624, 195926, 391852, 685741, 783704, 1371482, 1567408, 2742964, 3134816, 5485928, 10971856, 21943712]

約数ペア:

[(1, 21943712), (2, 10971856), (4, 5485928), (7, 3134816), (8, 2742964), (14, 1567408), (16, 1371482), (28, 783704), (32, 685741), (56, 391852), (112, 195926), (163, 134624), (224, 97963), (326, 67312), (601, 36512), (652, 33656), (1141, 19232), (1202, 18256), (1304, 16828), (2282, 9616), (2404, 9128), (2608, 8414), (4207, 5216), (4564, 4808)]