21914568

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{1801}}^1$

素因数の和:1839

約数の個数: 72

約数和(自身を含む): 64304370

約数和(自身を除く): 42389802

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, 1801, 2028, 3042, 3602, 4056, 5403, 6084, 7204, 10806, 12168, 14408, 16209, 21612, 23413, 32418, 43224, 46826, 64836, 70239, 93652, 129672, 140478, 187304, 210717, 280956, 304369, 421434, 561912, 608738, 842868, 913107, 1217476, 1685736, 1826214, 2434952, 2739321, 3652428, 5478642, 7304856, 10957284, 21914568]

約数ペア:

[(1, 21914568), (2, 10957284), (3, 7304856), (4, 5478642), (6, 3652428), (8, 2739321), (9, 2434952), (12, 1826214), (13, 1685736), (18, 1217476), (24, 913107), (26, 842868), (36, 608738), (39, 561912), (52, 421434), (72, 304369), (78, 280956), (104, 210717), (117, 187304), (156, 140478), (169, 129672), (234, 93652), (312, 70239), (338, 64836), (468, 46826), (507, 43224), (676, 32418), (936, 23413), (1014, 21612), (1352, 16209), (1521, 14408), (1801, 12168), (2028, 10806), (3042, 7204), (3602, 6084), (4056, 5403)]