21458892

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:527

約数の個数: 96

約数和(自身を含む): 63196672

約数和(自身を除く): 41737780

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 43, 52, 78, 84, 86, 91, 129, 156, 172, 182, 258, 273, 301, 364, 457, 516, 546, 559, 602, 903, 914, 1092, 1118, 1204, 1371, 1677, 1806, 1828, 2236, 2742, 3199, 3354, 3612, 3913, 5484, 5941, 6398, 6708, 7826, 9597, 11739, 11882, 12796, 15652, 17823, 19194, 19651, 23478, 23764, 35646, 38388, 39302, 41587, 46956, 58953, 71292, 78604, 83174, 117906, 124761, 137557, 166348, 235812, 249522, 255463, 275114, 412671, 499044, 510926, 550228, 766389, 825342, 1021852, 1532778, 1650684, 1788241, 3065556, 3576482, 5364723, 7152964, 10729446, 21458892]

約数ペア:

[(1, 21458892), (2, 10729446), (3, 7152964), (4, 5364723), (6, 3576482), (7, 3065556), (12, 1788241), (13, 1650684), (14, 1532778), (21, 1021852), (26, 825342), (28, 766389), (39, 550228), (42, 510926), (43, 499044), (52, 412671), (78, 275114), (84, 255463), (86, 249522), (91, 235812), (129, 166348), (156, 137557), (172, 124761), (182, 117906), (258, 83174), (273, 78604), (301, 71292), (364, 58953), (457, 46956), (516, 41587), (546, 39302), (559, 38388), (602, 35646), (903, 23764), (914, 23478), (1092, 19651), (1118, 19194), (1204, 17823), (1371, 15652), (1677, 12796), (1806, 11882), (1828, 11739), (2236, 9597), (2742, 7826), (3199, 6708), (3354, 6398), (3612, 5941), (3913, 5484)]