21345492

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{59}}^2\times {\mathrm{73}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 58695616

約数和(自身を除く): 37350124

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 59, 73, 84, 118, 146, 177, 219, 236, 292, 354, 413, 438, 511, 708, 826, 876, 1022, 1239, 1533, 1652, 2044, 2478, 3066, 3481, 4307, 4956, 6132, 6962, 8614, 10443, 12921, 13924, 17228, 20886, 24367, 25842, 30149, 41772, 48734, 51684, 60298, 73101, 90447, 97468, 120596, 146202, 180894, 254113, 292404, 361788, 508226, 762339, 1016452, 1524678, 1778791, 3049356, 3557582, 5336373, 7115164, 10672746, 21345492]

約数ペア:

[(1, 21345492), (2, 10672746), (3, 7115164), (4, 5336373), (6, 3557582), (7, 3049356), (12, 1778791), (14, 1524678), (21, 1016452), (28, 762339), (42, 508226), (59, 361788), (73, 292404), (84, 254113), (118, 180894), (146, 146202), (177, 120596), (219, 97468), (236, 90447), (292, 73101), (354, 60298), (413, 51684), (438, 48734), (511, 41772), (708, 30149), (826, 25842), (876, 24367), (1022, 20886), (1239, 17228), (1533, 13924), (1652, 12921), (2044, 10443), (2478, 8614), (3066, 6962), (3481, 6132), (4307, 4956)]