21676564

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 51480576

約数和(自身を除く): 29804012

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 31, 34, 52, 62, 68, 91, 113, 119, 124, 182, 217, 221, 226, 238, 364, 403, 434, 442, 452, 476, 527, 791, 806, 868, 884, 1054, 1469, 1547, 1582, 1612, 1921, 2108, 2821, 2938, 3094, 3164, 3503, 3689, 3842, 5642, 5876, 6188, 6851, 7006, 7378, 7684, 10283, 11284, 13447, 13702, 14012, 14756, 20566, 24521, 24973, 26894, 27404, 41132, 45539, 47957, 49042, 49946, 53788, 59551, 91078, 95914, 98084, 99892, 119102, 174811, 182156, 191828, 238204, 318773, 349622, 416857, 637546, 699244, 774163, 833714, 1275092, 1548326, 1667428, 3096652, 5419141, 10838282, 21676564]

約数ペア:

[(1, 21676564), (2, 10838282), (4, 5419141), (7, 3096652), (13, 1667428), (14, 1548326), (17, 1275092), (26, 833714), (28, 774163), (31, 699244), (34, 637546), (52, 416857), (62, 349622), (68, 318773), (91, 238204), (113, 191828), (119, 182156), (124, 174811), (182, 119102), (217, 99892), (221, 98084), (226, 95914), (238, 91078), (364, 59551), (403, 53788), (434, 49946), (442, 49042), (452, 47957), (476, 45539), (527, 41132), (791, 27404), (806, 26894), (868, 24973), (884, 24521), (1054, 20566), (1469, 14756), (1547, 14012), (1582, 13702), (1612, 13447), (1921, 11284), (2108, 10283), (2821, 7684), (2938, 7378), (3094, 7006), (3164, 6851), (3503, 6188), (3689, 5876), (3842, 5642)]