21032497128

素因数分解:

$2^3\times 3^1\times {\mathrm{641}}^1\times {\mathrm{1367167}}^1$

素因数の和:1367817

約数の個数: 32

約数和(自身を含む): 52663311360

約数和(自身を除く): 31630814232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 641, 1282, 1923, 2564, 3846, 5128, 7692, 15384, 1367167, 2734334, 4101501, 5468668, 8203002, 10937336, 16406004, 32812008, 876354047, 1752708094, 2629062141, 3505416188, 5258124282, 7010832376, 10516248564, 21032497128]

約数ペア:

[(1, 21032497128), (2, 10516248564), (3, 7010832376), (4, 5258124282), (6, 3505416188), (8, 2629062141), (12, 1752708094), (24, 876354047), (641, 32812008), (1282, 16406004), (1923, 10937336), (2564, 8203002), (3846, 5468668), (5128, 4101501), (7692, 2734334), (15384, 1367167)]