21114045

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 38188800

約数和(自身を除く): 17074755

約数列:

[1, 3, 5, 9, 15, 45, 47, 67, 141, 149, 201, 235, 335, 423, 447, 603, 705, 745, 1005, 1341, 2115, 2235, 3015, 3149, 6705, 7003, 9447, 9983, 15745, 21009, 28341, 29949, 35015, 47235, 49915, 63027, 89847, 105045, 141705, 149745, 315135, 449235, 469201, 1407603, 2346005, 4222809, 7038015, 21114045]

約数ペア:

[(1, 21114045), (3, 7038015), (5, 4222809), (9, 2346005), (15, 1407603), (45, 469201), (47, 449235), (67, 315135), (141, 149745), (149, 141705), (201, 105045), (235, 89847), (335, 63027), (423, 49915), (447, 47235), (603, 35015), (705, 29949), (745, 28341), (1005, 21009), (1341, 15745), (2115, 9983), (2235, 9447), (3015, 7003), (3149, 6705)]