21285089283

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{691}}^1\times {\mathrm{1231}}^1$

素因数の和:2383

約数の個数: 32

約数和(自身を含む): 30009548800

約数和(自身を除く): 8724459517

約数列:

[1, 3, 19, 57, 439, 691, 1231, 1317, 2073, 3693, 8341, 13129, 23389, 25023, 39387, 70167, 303349, 540409, 850621, 910047, 1621227, 2551863, 5763631, 10267771, 16161799, 17290893, 30803313, 48485397, 373422619, 1120267857, 7095029761, 21285089283]

約数ペア:

[(1, 21285089283), (3, 7095029761), (19, 1120267857), (57, 373422619), (439, 48485397), (691, 30803313), (1231, 17290893), (1317, 16161799), (2073, 10267771), (3693, 5763631), (8341, 2551863), (13129, 1621227), (23389, 910047), (25023, 850621), (39387, 540409), (70167, 303349)]