21341132

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{397}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 38112480

約数和(自身を除く): 16771348

約数列:

[1, 2, 4, 89, 151, 178, 302, 356, 397, 604, 794, 1588, 13439, 26878, 35333, 53756, 59947, 70666, 119894, 141332, 239788, 5335283, 10670566, 21341132]

約数ペア:

[(1, 21341132), (2, 10670566), (4, 5335283), (89, 239788), (151, 141332), (178, 119894), (302, 70666), (356, 59947), (397, 53756), (604, 35333), (794, 26878), (1588, 13439)]