21729906

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^3\times {\mathrm{907}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 51843168

約数和(自身を除く): 30113262

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 907, 1089, 1331, 1814, 2178, 2662, 2721, 3993, 5442, 7986, 8163, 9977, 11979, 16326, 19954, 23958, 29931, 59862, 89793, 109747, 179586, 219494, 329241, 658482, 987723, 1207217, 1975446, 2414434, 3621651, 7243302, 10864953, 21729906]

約数ペア:

[(1, 21729906), (2, 10864953), (3, 7243302), (6, 3621651), (9, 2414434), (11, 1975446), (18, 1207217), (22, 987723), (33, 658482), (66, 329241), (99, 219494), (121, 179586), (198, 109747), (242, 89793), (363, 59862), (726, 29931), (907, 23958), (1089, 19954), (1331, 16326), (1814, 11979), (2178, 9977), (2662, 8163), (2721, 7986), (3993, 5442)]