21541170028

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{827}}^1\times {\mathrm{5197}}^1$

素因数の和:6214

約数の個数: 48

約数和(自身を含む): 43383755520

約数和(自身を除く): 21842585492

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 827, 1253, 1654, 2506, 3308, 5012, 5197, 5789, 10394, 11578, 20788, 23156, 36379, 72758, 145516, 148033, 296066, 592132, 930263, 1036231, 1860526, 2072462, 3721052, 4144924, 4297919, 6511841, 8595838, 13023682, 17191676, 26047364, 30085433, 60170866, 120341732, 769327501, 1538655002, 3077310004, 5385292507, 10770585014, 21541170028]

約数ペア:

[(1, 21541170028), (2, 10770585014), (4, 5385292507), (7, 3077310004), (14, 1538655002), (28, 769327501), (179, 120341732), (358, 60170866), (716, 30085433), (827, 26047364), (1253, 17191676), (1654, 13023682), (2506, 8595838), (3308, 6511841), (5012, 4297919), (5197, 4144924), (5789, 3721052), (10394, 2072462), (11578, 1860526), (20788, 1036231), (23156, 930263), (36379, 592132), (72758, 296066), (145516, 148033)]