21976017

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 35278848

約数和(自身を除く): 13302831

約数列:

[1, 3, 7, 21, 23, 69, 161, 173, 263, 483, 519, 789, 1211, 1841, 3633, 3979, 5523, 6049, 11937, 18147, 27853, 42343, 45499, 83559, 127029, 136497, 318493, 955479, 1046477, 3139431, 7325339, 21976017]

約数ペア:

[(1, 21976017), (3, 7325339), (7, 3139431), (21, 1046477), (23, 955479), (69, 318493), (161, 136497), (173, 127029), (263, 83559), (483, 45499), (519, 42343), (789, 27853), (1211, 18147), (1841, 11937), (3633, 6049), (3979, 5523)]