21341355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8837}}^1$

素因数の和:8875

約数の個数: 32

約数和(自身を含む): 40725504

約数和(自身を除く): 19384149

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8837, 26511, 44185, 61859, 132555, 185577, 203251, 309295, 609753, 927885, 1016255, 1422757, 3048765, 4268271, 7113785, 21341355]

約数ペア:

[(1, 21341355), (3, 7113785), (5, 4268271), (7, 3048765), (15, 1422757), (21, 1016255), (23, 927885), (35, 609753), (69, 309295), (105, 203251), (115, 185577), (161, 132555), (345, 61859), (483, 44185), (805, 26511), (2415, 8837)]