21376513272

素因数分解:

$2^3\times 3^1\times {\mathrm{15661}}^1\times {\mathrm{56873}}^1$

素因数の和:72543

約数の個数: 32

約数和(自身を含む): 53445635280

約数和(自身を除く): 32069122008

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 15661, 31322, 46983, 56873, 62644, 93966, 113746, 125288, 170619, 187932, 227492, 341238, 375864, 454984, 682476, 1364952, 890688053, 1781376106, 2672064159, 3562752212, 5344128318, 7125504424, 10688256636, 21376513272]

約数ペア:

[(1, 21376513272), (2, 10688256636), (3, 7125504424), (4, 5344128318), (6, 3562752212), (8, 2672064159), (12, 1781376106), (24, 890688053), (15661, 1364952), (31322, 682476), (46983, 454984), (56873, 375864), (62644, 341238), (93966, 227492), (113746, 187932), (125288, 170619)]