21992118

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{859}}^1$

素因数の和:1132

約数の個数: 32

約数和(自身を含む): 46811520

約数和(自身を除く): 24819402

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 251, 502, 753, 859, 1506, 1718, 2577, 4267, 5154, 8534, 12801, 14603, 25602, 29206, 43809, 87618, 215609, 431218, 646827, 1293654, 3665353, 7330706, 10996059, 21992118]

約数ペア:

[(1, 21992118), (2, 10996059), (3, 7330706), (6, 3665353), (17, 1293654), (34, 646827), (51, 431218), (102, 215609), (251, 87618), (502, 43809), (753, 29206), (859, 25602), (1506, 14603), (1718, 12801), (2577, 8534), (4267, 5154)]