21231906

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{373}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 43623360

約数和(自身を除く): 22391454

約数列:

[1, 2, 3, 6, 53, 106, 159, 179, 318, 358, 373, 537, 746, 1074, 1119, 2238, 9487, 18974, 19769, 28461, 39538, 56922, 59307, 66767, 118614, 133534, 200301, 400602, 3538651, 7077302, 10615953, 21231906]

約数ペア:

[(1, 21231906), (2, 10615953), (3, 7077302), (6, 3538651), (53, 400602), (106, 200301), (159, 133534), (179, 118614), (318, 66767), (358, 59307), (373, 56922), (537, 39538), (746, 28461), (1074, 19769), (1119, 18974), (2238, 9487)]