21404892

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 51484160

約数和(自身を除く): 30079268

約数列:

[1, 2, 3, 4, 6, 12, 67, 79, 134, 158, 201, 237, 268, 316, 337, 402, 474, 674, 804, 948, 1011, 1348, 2022, 4044, 5293, 10586, 15879, 21172, 22579, 26623, 31758, 45158, 53246, 63516, 67737, 79869, 90316, 106492, 135474, 159738, 270948, 319476, 1783741, 3567482, 5351223, 7134964, 10702446, 21404892]

約数ペア:

[(1, 21404892), (2, 10702446), (3, 7134964), (4, 5351223), (6, 3567482), (12, 1783741), (67, 319476), (79, 270948), (134, 159738), (158, 135474), (201, 106492), (237, 90316), (268, 79869), (316, 67737), (337, 63516), (402, 53246), (474, 45158), (674, 31758), (804, 26623), (948, 22579), (1011, 21172), (1348, 15879), (2022, 10586), (4044, 5293)]