21219513838

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{162649}}^1$

素因数の和:162772

約数の個数: 32

約数和(自身を含む): 34265800800

約数和(自身を除く): 13046286962

約数列:

[1, 2, 37, 41, 43, 74, 82, 86, 1517, 1591, 1763, 3034, 3182, 3526, 65231, 130462, 162649, 325298, 6018013, 6668609, 6993907, 12036026, 13337218, 13987814, 246738533, 258774559, 286750187, 493477066, 517549118, 573500374, 10609756919, 21219513838]

約数ペア:

[(1, 21219513838), (2, 10609756919), (37, 573500374), (41, 517549118), (43, 493477066), (74, 286750187), (82, 258774559), (86, 246738533), (1517, 13987814), (1591, 13337218), (1763, 12036026), (3034, 6993907), (3182, 6668609), (3526, 6018013), (65231, 325298), (130462, 162649)]