21311784

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22769}}^1$

素因数の和:22794

約数の個数: 48

約数和(自身を含む): 62162100

約数和(自身を除く): 40850316

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22769, 45538, 68307, 91076, 136614, 182152, 204921, 273228, 295997, 409842, 546456, 591994, 819684, 887991, 1183988, 1639368, 1775982, 2367976, 2663973, 3551964, 5327946, 7103928, 10655892, 21311784]

約数ペア:

[(1, 21311784), (2, 10655892), (3, 7103928), (4, 5327946), (6, 3551964), (8, 2663973), (9, 2367976), (12, 1775982), (13, 1639368), (18, 1183988), (24, 887991), (26, 819684), (36, 591994), (39, 546456), (52, 409842), (72, 295997), (78, 273228), (104, 204921), (117, 182152), (156, 136614), (234, 91076), (312, 68307), (468, 45538), (936, 22769)]