21695544

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{1783}}^1$

素因数の和:1821

約数の個数: 72

約数和(自身を含む): 63662040

約数和(自身を除く): 41966496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 1783, 2028, 3042, 3566, 4056, 5349, 6084, 7132, 10698, 12168, 14264, 16047, 21396, 23179, 32094, 42792, 46358, 64188, 69537, 92716, 128376, 139074, 185432, 208611, 278148, 301327, 417222, 556296, 602654, 834444, 903981, 1205308, 1668888, 1807962, 2410616, 2711943, 3615924, 5423886, 7231848, 10847772, 21695544]

約数ペア:

[(1, 21695544), (2, 10847772), (3, 7231848), (4, 5423886), (6, 3615924), (8, 2711943), (9, 2410616), (12, 1807962), (13, 1668888), (18, 1205308), (24, 903981), (26, 834444), (36, 602654), (39, 556296), (52, 417222), (72, 301327), (78, 278148), (104, 208611), (117, 185432), (156, 139074), (169, 128376), (234, 92716), (312, 69537), (338, 64188), (468, 46358), (507, 42792), (676, 32094), (936, 23179), (1014, 21396), (1352, 16047), (1521, 14264), (1783, 12168), (2028, 10698), (3042, 7132), (3566, 6084), (4056, 5349)]