21203676

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{45307}}^1$

素因数の和:45330

約数の個数: 36

約数和(自身を含む): 57722392

約数和(自身を除く): 36518716

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 45307, 90614, 135921, 181228, 271842, 407763, 543684, 588991, 815526, 1177982, 1631052, 1766973, 2355964, 3533946, 5300919, 7067892, 10601838, 21203676]

約数ペア:

[(1, 21203676), (2, 10601838), (3, 7067892), (4, 5300919), (6, 3533946), (9, 2355964), (12, 1766973), (13, 1631052), (18, 1177982), (26, 815526), (36, 588991), (39, 543684), (52, 407763), (78, 271842), (117, 181228), (156, 135921), (234, 90614), (468, 45307)]