21167776

素因数分解:

$2^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1783}}^1$

素因数の和:1853

約数の個数: 48

約数和(自身を含む): 48553344

約数和(自身を除く): 27385568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 106, 112, 212, 224, 371, 424, 742, 848, 1484, 1696, 1783, 2968, 3566, 5936, 7132, 11872, 12481, 14264, 24962, 28528, 49924, 57056, 94499, 99848, 188998, 199696, 377996, 399392, 661493, 755992, 1322986, 1511984, 2645972, 3023968, 5291944, 10583888, 21167776]

約数ペア:

[(1, 21167776), (2, 10583888), (4, 5291944), (7, 3023968), (8, 2645972), (14, 1511984), (16, 1322986), (28, 755992), (32, 661493), (53, 399392), (56, 377996), (106, 199696), (112, 188998), (212, 99848), (224, 94499), (371, 57056), (424, 49924), (742, 28528), (848, 24962), (1484, 14264), (1696, 12481), (1783, 11872), (2968, 7132), (3566, 5936)]