21442716

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 62899200

約数和(自身を除く): 41456484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 29, 36, 38, 46, 47, 57, 58, 69, 76, 87, 92, 94, 114, 116, 138, 141, 171, 174, 188, 207, 228, 261, 276, 282, 342, 348, 414, 423, 437, 522, 551, 564, 667, 684, 828, 846, 874, 893, 1044, 1081, 1102, 1311, 1334, 1363, 1653, 1692, 1748, 1786, 2001, 2162, 2204, 2622, 2668, 2679, 2726, 3243, 3306, 3572, 3933, 4002, 4089, 4324, 4959, 5244, 5358, 5452, 6003, 6486, 6612, 7866, 8004, 8037, 8178, 9729, 9918, 10716, 12006, 12267, 12673, 12972, 15732, 16074, 16356, 19458, 19836, 20539, 24012, 24534, 25346, 25897, 31349, 32148, 38019, 38916, 41078, 49068, 50692, 51794, 61617, 62698, 76038, 77691, 82156, 94047, 103588, 114057, 123234, 125396, 152076, 155382, 184851, 188094, 228114, 233073, 246468, 282141, 310764, 369702, 376188, 456228, 466146, 564282, 595631, 739404, 932292, 1128564, 1191262, 1786893, 2382524, 3573786, 5360679, 7147572, 10721358, 21442716]

約数ペア:

[(1, 21442716), (2, 10721358), (3, 7147572), (4, 5360679), (6, 3573786), (9, 2382524), (12, 1786893), (18, 1191262), (19, 1128564), (23, 932292), (29, 739404), (36, 595631), (38, 564282), (46, 466146), (47, 456228), (57, 376188), (58, 369702), (69, 310764), (76, 282141), (87, 246468), (92, 233073), (94, 228114), (114, 188094), (116, 184851), (138, 155382), (141, 152076), (171, 125396), (174, 123234), (188, 114057), (207, 103588), (228, 94047), (261, 82156), (276, 77691), (282, 76038), (342, 62698), (348, 61617), (414, 51794), (423, 50692), (437, 49068), (522, 41078), (551, 38916), (564, 38019), (667, 32148), (684, 31349), (828, 25897), (846, 25346), (874, 24534), (893, 24012), (1044, 20539), (1081, 19836), (1102, 19458), (1311, 16356), (1334, 16074), (1363, 15732), (1653, 12972), (1692, 12673), (1748, 12267), (1786, 12006), (2001, 10716), (2162, 9918), (2204, 9729), (2622, 8178), (2668, 8037), (2679, 8004), (2726, 7866), (3243, 6612), (3306, 6486), (3572, 6003), (3933, 5452), (4002, 5358), (4089, 5244), (4324, 4959)]