21435492

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{439}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 54158720

約数和(自身を除く): 32723228

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 313, 439, 626, 878, 939, 1252, 1317, 1756, 1878, 2634, 3756, 4069, 5268, 5707, 8138, 11414, 12207, 16276, 17121, 22828, 24414, 34242, 48828, 68484, 137407, 274814, 412221, 549628, 824442, 1648884, 1786291, 3572582, 5358873, 7145164, 10717746, 21435492]

約数ペア:

[(1, 21435492), (2, 10717746), (3, 7145164), (4, 5358873), (6, 3572582), (12, 1786291), (13, 1648884), (26, 824442), (39, 549628), (52, 412221), (78, 274814), (156, 137407), (313, 68484), (439, 48828), (626, 34242), (878, 24414), (939, 22828), (1252, 17121), (1317, 16276), (1756, 12207), (1878, 11414), (2634, 8138), (3756, 5707), (4069, 5268)]