21152222

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16603}}^1$

素因数の和:16632

約数の個数: 24

約数和(自身を含む): 39749976

約数和(自身を除く): 18597754

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 16603, 33206, 116221, 215839, 232442, 431678, 813547, 1510873, 1627094, 3021746, 10576111, 21152222]

約数ペア:

[(1, 21152222), (2, 10576111), (7, 3021746), (13, 1627094), (14, 1510873), (26, 813547), (49, 431678), (91, 232442), (98, 215839), (182, 116221), (637, 33206), (1274, 16603)]