21461286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 55770624

約数和(自身を除く): 34309338

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 41, 42, 66, 77, 82, 103, 121, 123, 154, 206, 231, 242, 246, 287, 309, 363, 451, 462, 574, 618, 721, 726, 847, 861, 902, 1133, 1353, 1442, 1694, 1722, 2163, 2266, 2541, 2706, 3157, 3399, 4223, 4326, 4961, 5082, 6314, 6798, 7931, 8446, 9471, 9922, 12463, 12669, 14883, 15862, 18942, 23793, 24926, 25338, 29561, 29766, 34727, 37389, 46453, 47586, 59122, 69454, 74778, 87241, 88683, 92906, 104181, 139359, 174482, 177366, 208362, 261723, 278718, 325171, 510983, 523446, 650342, 975513, 1021966, 1532949, 1951026, 3065898, 3576881, 7153762, 10730643, 21461286]

約数ペア:

[(1, 21461286), (2, 10730643), (3, 7153762), (6, 3576881), (7, 3065898), (11, 1951026), (14, 1532949), (21, 1021966), (22, 975513), (33, 650342), (41, 523446), (42, 510983), (66, 325171), (77, 278718), (82, 261723), (103, 208362), (121, 177366), (123, 174482), (154, 139359), (206, 104181), (231, 92906), (242, 88683), (246, 87241), (287, 74778), (309, 69454), (363, 59122), (451, 47586), (462, 46453), (574, 37389), (618, 34727), (721, 29766), (726, 29561), (847, 25338), (861, 24926), (902, 23793), (1133, 18942), (1353, 15862), (1442, 14883), (1694, 12669), (1722, 12463), (2163, 9922), (2266, 9471), (2541, 8446), (2706, 7931), (3157, 6798), (3399, 6314), (4223, 5082), (4326, 4961)]