21874064

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{15361}}^1$

素因数の和:15458

約数の個数: 20

約数和(自身を含む): 42859980

約数和(自身を除く): 20985916

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 15361, 30722, 61444, 122888, 245776, 1367129, 2734258, 5468516, 10937032, 21874064]

約数ペア:

[(1, 21874064), (2, 10937032), (4, 5468516), (8, 2734258), (16, 1367129), (89, 245776), (178, 122888), (356, 61444), (712, 30722), (1424, 15361)]