21107424

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{1301}}^1$

素因数の和:1340

約数の個数: 72

約数和(自身を含む): 60043032

約数和(自身を除く): 38935608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 169, 208, 312, 338, 416, 507, 624, 676, 1014, 1248, 1301, 1352, 2028, 2602, 2704, 3903, 4056, 5204, 5408, 7806, 8112, 10408, 15612, 16224, 16913, 20816, 31224, 33826, 41632, 50739, 62448, 67652, 101478, 124896, 135304, 202956, 219869, 270608, 405912, 439738, 541216, 659607, 811824, 879476, 1319214, 1623648, 1758952, 2638428, 3517904, 5276856, 7035808, 10553712, 21107424]

約数ペア:

[(1, 21107424), (2, 10553712), (3, 7035808), (4, 5276856), (6, 3517904), (8, 2638428), (12, 1758952), (13, 1623648), (16, 1319214), (24, 879476), (26, 811824), (32, 659607), (39, 541216), (48, 439738), (52, 405912), (78, 270608), (96, 219869), (104, 202956), (156, 135304), (169, 124896), (208, 101478), (312, 67652), (338, 62448), (416, 50739), (507, 41632), (624, 33826), (676, 31224), (1014, 20816), (1248, 16913), (1301, 16224), (1352, 15612), (2028, 10408), (2602, 8112), (2704, 7806), (3903, 5408), (4056, 5204)]