21125676

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{947}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 58290624

約数和(自身を除く): 37164948

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 169, 286, 338, 429, 507, 572, 676, 858, 947, 1014, 1716, 1859, 1894, 2028, 2841, 3718, 3788, 5577, 5682, 7436, 10417, 11154, 11364, 12311, 20834, 22308, 24622, 31251, 36933, 41668, 49244, 62502, 73866, 125004, 135421, 147732, 160043, 270842, 320086, 406263, 480129, 541684, 640172, 812526, 960258, 1625052, 1760473, 1920516, 3520946, 5281419, 7041892, 10562838, 21125676]

約数ペア:

[(1, 21125676), (2, 10562838), (3, 7041892), (4, 5281419), (6, 3520946), (11, 1920516), (12, 1760473), (13, 1625052), (22, 960258), (26, 812526), (33, 640172), (39, 541684), (44, 480129), (52, 406263), (66, 320086), (78, 270842), (132, 160043), (143, 147732), (156, 135421), (169, 125004), (286, 73866), (338, 62502), (429, 49244), (507, 41668), (572, 36933), (676, 31251), (858, 24622), (947, 22308), (1014, 20834), (1716, 12311), (1859, 11364), (1894, 11154), (2028, 10417), (2841, 7436), (3718, 5682), (3788, 5577)]