21828474

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 29493126

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 53, 54, 58, 87, 106, 159, 174, 261, 263, 318, 477, 522, 526, 783, 789, 954, 1431, 1537, 1566, 1578, 2367, 2862, 3074, 4611, 4734, 7101, 7627, 9222, 13833, 13939, 14202, 15254, 22881, 27666, 27878, 41499, 41817, 45762, 68643, 82998, 83634, 125451, 137286, 205929, 250902, 376353, 404231, 411858, 752706, 808462, 1212693, 2425386, 3638079, 7276158, 10914237, 21828474]

約数ペア:

[(1, 21828474), (2, 10914237), (3, 7276158), (6, 3638079), (9, 2425386), (18, 1212693), (27, 808462), (29, 752706), (53, 411858), (54, 404231), (58, 376353), (87, 250902), (106, 205929), (159, 137286), (174, 125451), (261, 83634), (263, 82998), (318, 68643), (477, 45762), (522, 41817), (526, 41499), (783, 27878), (789, 27666), (954, 22881), (1431, 15254), (1537, 14202), (1566, 13939), (1578, 13833), (2367, 9222), (2862, 7627), (3074, 7101), (4611, 4734)]