21551464

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6619}}^1$

素因数の和:6673

約数の個数: 32

約数和(自身を含む): 45280800

約数和(自身を除く): 23729336

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 6619, 13238, 26476, 52952, 72809, 145618, 244903, 291236, 489806, 582472, 979612, 1959224, 2693933, 5387866, 10775732, 21551464]

約数ペア:

[(1, 21551464), (2, 10775732), (4, 5387866), (8, 2693933), (11, 1959224), (22, 979612), (37, 582472), (44, 489806), (74, 291236), (88, 244903), (148, 145618), (296, 72809), (407, 52952), (814, 26476), (1628, 13238), (3256, 6619)]