21036392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3019}}^1$

素因数の和:3105

約数の個数: 32

約数和(自身を含む): 43125600

約数和(自身を除く): 22089208

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3019, 3484, 6038, 6968, 12076, 24152, 39247, 78494, 156988, 202273, 313976, 404546, 809092, 1618184, 2629549, 5259098, 10518196, 21036392]

約数ペア:

[(1, 21036392), (2, 10518196), (4, 5259098), (8, 2629549), (13, 1618184), (26, 809092), (52, 404546), (67, 313976), (104, 202273), (134, 156988), (268, 78494), (536, 39247), (871, 24152), (1742, 12076), (3019, 6968), (3484, 6038)]