21122295

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{823}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 35596800

約数和(自身を除く): 14474505

約数列:

[1, 3, 5, 15, 29, 59, 87, 145, 177, 295, 435, 823, 885, 1711, 2469, 4115, 5133, 8555, 12345, 23867, 25665, 48557, 71601, 119335, 145671, 242785, 358005, 728355, 1408153, 4224459, 7040765, 21122295]

約数ペア:

[(1, 21122295), (3, 7040765), (5, 4224459), (15, 1408153), (29, 728355), (59, 358005), (87, 242785), (145, 145671), (177, 119335), (295, 71601), (435, 48557), (823, 25665), (885, 23867), (1711, 12345), (2469, 8555), (4115, 5133)]