21309912

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7589}}^1$

素因数の和:7617

約数の個数: 64

約数和(自身を含む): 63756000

約数和(自身を除く): 42446088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7589, 15178, 22767, 30356, 45534, 60712, 68301, 91068, 98657, 136602, 182136, 197314, 204903, 273204, 295971, 394628, 409806, 546408, 591942, 789256, 819612, 887913, 1183884, 1639224, 1775826, 2367768, 2663739, 3551652, 5327478, 7103304, 10654956, 21309912]

約数ペア:

[(1, 21309912), (2, 10654956), (3, 7103304), (4, 5327478), (6, 3551652), (8, 2663739), (9, 2367768), (12, 1775826), (13, 1639224), (18, 1183884), (24, 887913), (26, 819612), (27, 789256), (36, 591942), (39, 546408), (52, 409806), (54, 394628), (72, 295971), (78, 273204), (104, 204903), (108, 197314), (117, 182136), (156, 136602), (216, 98657), (234, 91068), (312, 68301), (351, 60712), (468, 45534), (702, 30356), (936, 22767), (1404, 15178), (2808, 7589)]