21000343356

素因数分解:

$2^2\times 3^2\times {\mathrm{1223}}^1\times {\mathrm{476977}}^1$

素因数の和:478210

約数の個数: 36

約数和(自身を含む): 53127717552

約数和(自身を除く): 32127374196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1223, 2446, 3669, 4892, 7338, 11007, 14676, 22014, 44028, 476977, 953954, 1430931, 1907908, 2861862, 4292793, 5723724, 8585586, 17171172, 583342871, 1166685742, 1750028613, 2333371484, 3500057226, 5250085839, 7000114452, 10500171678, 21000343356]

約数ペア:

[(1, 21000343356), (2, 10500171678), (3, 7000114452), (4, 5250085839), (6, 3500057226), (9, 2333371484), (12, 1750028613), (18, 1166685742), (36, 583342871), (1223, 17171172), (2446, 8585586), (3669, 5723724), (4892, 4292793), (7338, 2861862), (11007, 1907908), (14676, 1430931), (22014, 953954), (44028, 476977)]