21760935

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 42964992

約数和(自身を除く): 21204057

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 73, 85, 105, 119, 167, 219, 255, 357, 365, 501, 511, 595, 835, 1095, 1169, 1241, 1533, 1785, 2505, 2555, 2839, 3507, 3723, 5845, 6205, 7665, 8517, 8687, 12191, 14195, 17535, 18615, 19873, 26061, 36573, 42585, 43435, 59619, 60955, 85337, 99365, 130305, 182865, 207247, 256011, 298095, 426685, 621741, 1036235, 1280055, 1450729, 3108705, 4352187, 7253645, 21760935]

約数ペア:

[(1, 21760935), (3, 7253645), (5, 4352187), (7, 3108705), (15, 1450729), (17, 1280055), (21, 1036235), (35, 621741), (51, 426685), (73, 298095), (85, 256011), (105, 207247), (119, 182865), (167, 130305), (219, 99365), (255, 85337), (357, 60955), (365, 59619), (501, 43435), (511, 42585), (595, 36573), (835, 26061), (1095, 19873), (1169, 18615), (1241, 17535), (1533, 14195), (1785, 12191), (2505, 8687), (2555, 8517), (2839, 7665), (3507, 6205), (3723, 5845)]