21971304295

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{9829}}^1$

素因数の和:10195

約数の個数: 32

約数和(自身を含む): 27809305920

約数和(自身を除く): 5838001625

約数列:

[1, 5, 37, 43, 185, 215, 281, 1405, 1591, 7955, 9829, 10397, 12083, 49145, 51985, 60415, 363673, 422647, 447071, 1818365, 2113235, 2235355, 2761949, 13809745, 15637939, 78189695, 102192113, 118763807, 510960565, 593819035, 4394260859, 21971304295]

約数ペア:

[(1, 21971304295), (5, 4394260859), (37, 593819035), (43, 510960565), (185, 118763807), (215, 102192113), (281, 78189695), (1405, 15637939), (1591, 13809745), (7955, 2761949), (9829, 2235355), (10397, 2113235), (12083, 1818365), (49145, 447071), (51985, 422647), (60415, 363673)]