21444786

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:336

約数の個数: 96

約数和(自身を含む): 56204928

約数和(自身を除く): 34760142

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 23, 33, 34, 46, 51, 66, 69, 99, 102, 138, 153, 187, 198, 207, 253, 277, 306, 374, 391, 414, 506, 554, 561, 759, 782, 831, 1122, 1173, 1518, 1662, 1683, 2277, 2346, 2493, 3047, 3366, 3519, 4301, 4554, 4709, 4986, 6094, 6371, 7038, 8602, 9141, 9418, 12742, 12903, 14127, 18282, 19113, 25806, 27423, 28254, 38226, 38709, 42381, 51799, 54846, 57339, 70081, 77418, 84762, 103598, 108307, 114678, 140162, 155397, 210243, 216614, 310794, 324921, 420486, 466191, 630729, 649842, 932382, 974763, 1191377, 1261458, 1949526, 2382754, 3574131, 7148262, 10722393, 21444786]

約数ペア:

[(1, 21444786), (2, 10722393), (3, 7148262), (6, 3574131), (9, 2382754), (11, 1949526), (17, 1261458), (18, 1191377), (22, 974763), (23, 932382), (33, 649842), (34, 630729), (46, 466191), (51, 420486), (66, 324921), (69, 310794), (99, 216614), (102, 210243), (138, 155397), (153, 140162), (187, 114678), (198, 108307), (207, 103598), (253, 84762), (277, 77418), (306, 70081), (374, 57339), (391, 54846), (414, 51799), (506, 42381), (554, 38709), (561, 38226), (759, 28254), (782, 27423), (831, 25806), (1122, 19113), (1173, 18282), (1518, 14127), (1662, 12903), (1683, 12742), (2277, 9418), (2346, 9141), (2493, 8602), (3047, 7038), (3366, 6371), (3519, 6094), (4301, 4986), (4554, 4709)]