21882705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{383}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 37933056

約数和(自身を除く): 16050351

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 293, 383, 879, 1149, 1465, 1915, 3809, 4395, 4979, 5745, 11427, 14937, 19045, 24895, 57135, 74685, 112219, 336657, 561095, 1458847, 1683285, 4376541, 7294235, 21882705]

約数ペア:

[(1, 21882705), (3, 7294235), (5, 4376541), (13, 1683285), (15, 1458847), (39, 561095), (65, 336657), (195, 112219), (293, 74685), (383, 57135), (879, 24895), (1149, 19045), (1465, 14937), (1915, 11427), (3809, 5745), (4395, 4979)]