21107418

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 45152640

約数和(自身を除く): 24045222

約数列:

[1, 2, 3, 6, 29, 47, 58, 87, 89, 94, 141, 174, 178, 267, 282, 534, 841, 1363, 1682, 2523, 2581, 2726, 4089, 4183, 5046, 5162, 7743, 8178, 8366, 12549, 15486, 25098, 39527, 74849, 79054, 118581, 121307, 149698, 224547, 237162, 242614, 363921, 449094, 727842, 3517903, 7035806, 10553709, 21107418]

約数ペア:

[(1, 21107418), (2, 10553709), (3, 7035806), (6, 3517903), (29, 727842), (47, 449094), (58, 363921), (87, 242614), (89, 237162), (94, 224547), (141, 149698), (174, 121307), (178, 118581), (267, 79054), (282, 74849), (534, 39527), (841, 25098), (1363, 15486), (1682, 12549), (2523, 8366), (2581, 8178), (2726, 7743), (4089, 5162), (4183, 5046)]