21418396

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9091}}^1$

素因数の和:9145

約数の個数: 24

約数和(自身を含む): 40732160

約数和(自身を除く): 19313764

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 9091, 18182, 36364, 172729, 281821, 345458, 563642, 690916, 1127284, 5354599, 10709198, 21418396]

約数ペア:

[(1, 21418396), (2, 10709198), (4, 5354599), (19, 1127284), (31, 690916), (38, 563642), (62, 345458), (76, 281821), (124, 172729), (589, 36364), (1178, 18182), (2356, 9091)]