21991861128

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{1601}}^1\times {\mathrm{10799}}^1$

素因数の和:12462

約数の個数: 64

約数和(自身を含む): 56057184000

約数和(自身を除く): 34065322872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 1601, 3202, 4803, 6404, 9606, 10799, 12808, 19212, 21598, 32397, 38424, 43196, 64794, 84853, 86392, 129588, 169706, 254559, 259176, 339412, 509118, 572347, 678824, 1018236, 1144694, 1717041, 2036472, 2289388, 3434082, 4578776, 6868164, 13736328, 17289199, 34578398, 51867597, 69156796, 103735194, 138313592, 207470388, 414940776, 916327547, 1832655094, 2748982641, 3665310188, 5497965282, 7330620376, 10995930564, 21991861128]

約数ペア:

[(1, 21991861128), (2, 10995930564), (3, 7330620376), (4, 5497965282), (6, 3665310188), (8, 2748982641), (12, 1832655094), (24, 916327547), (53, 414940776), (106, 207470388), (159, 138313592), (212, 103735194), (318, 69156796), (424, 51867597), (636, 34578398), (1272, 17289199), (1601, 13736328), (3202, 6868164), (4803, 4578776), (6404, 3434082), (9606, 2289388), (10799, 2036472), (12808, 1717041), (19212, 1144694), (21598, 1018236), (32397, 678824), (38424, 572347), (43196, 509118), (64794, 339412), (84853, 259176), (86392, 254559), (129588, 169706)]