21819435

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{593}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 16500693

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 223, 593, 669, 1115, 1779, 2453, 2965, 3345, 6523, 7359, 8895, 12265, 19569, 32615, 36795, 97845, 132239, 396717, 661195, 1454629, 1983585, 4363887, 7273145, 21819435]

約数ペア:

[(1, 21819435), (3, 7273145), (5, 4363887), (11, 1983585), (15, 1454629), (33, 661195), (55, 396717), (165, 132239), (223, 97845), (593, 36795), (669, 32615), (1115, 19569), (1779, 12265), (2453, 8895), (2965, 7359), (3345, 6523)]