21913398

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2531}}^1$

素因数の和:2589

約数の個数: 48

約数和(自身を含む): 52533936

約数和(自身を除く): 30620538

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 222, 234, 333, 481, 666, 962, 1443, 2531, 2886, 4329, 5062, 7593, 8658, 15186, 22779, 32903, 45558, 65806, 93647, 98709, 187294, 197418, 280941, 296127, 561882, 592254, 842823, 1217411, 1685646, 2434822, 3652233, 7304466, 10956699, 21913398]

約数ペア:

[(1, 21913398), (2, 10956699), (3, 7304466), (6, 3652233), (9, 2434822), (13, 1685646), (18, 1217411), (26, 842823), (37, 592254), (39, 561882), (74, 296127), (78, 280941), (111, 197418), (117, 187294), (222, 98709), (234, 93647), (333, 65806), (481, 45558), (666, 32903), (962, 22779), (1443, 15186), (2531, 8658), (2886, 7593), (4329, 5062)]