21000994536

素因数分解:

$2^3\times 3^1\times {\mathrm{173}}^1\times {\mathrm{863}}^1\times {\mathrm{5861}}^1$

素因数の和:6906

約数の個数: 64

約数和(自身を含む): 52876177920

約数和(自身を除く): 31875183384

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 173, 346, 519, 692, 863, 1038, 1384, 1726, 2076, 2589, 3452, 4152, 5178, 5861, 6904, 10356, 11722, 17583, 20712, 23444, 35166, 46888, 70332, 140664, 149299, 298598, 447897, 597196, 895794, 1013953, 1194392, 1791588, 2027906, 3041859, 3583176, 4055812, 5058043, 6083718, 8111624, 10116086, 12167436, 15174129, 20232172, 24334872, 30348258, 40464344, 60696516, 121393032, 875041439, 1750082878, 2625124317, 3500165756, 5250248634, 7000331512, 10500497268, 21000994536]

約数ペア:

[(1, 21000994536), (2, 10500497268), (3, 7000331512), (4, 5250248634), (6, 3500165756), (8, 2625124317), (12, 1750082878), (24, 875041439), (173, 121393032), (346, 60696516), (519, 40464344), (692, 30348258), (863, 24334872), (1038, 20232172), (1384, 15174129), (1726, 12167436), (2076, 10116086), (2589, 8111624), (3452, 6083718), (4152, 5058043), (5178, 4055812), (5861, 3583176), (6904, 3041859), (10356, 2027906), (11722, 1791588), (17583, 1194392), (20712, 1013953), (23444, 895794), (35166, 597196), (46888, 447897), (70332, 298598), (140664, 149299)]