21332025

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:73

約数の個数: 144

約数和(自身を含む): 49014720

約数和(自身を除く): 27682695

約数列:

[1, 3, 5, 9, 11, 13, 15, 17, 25, 27, 33, 39, 45, 51, 55, 65, 75, 85, 99, 117, 135, 143, 153, 165, 169, 187, 195, 221, 225, 255, 275, 297, 325, 351, 425, 429, 459, 495, 507, 561, 585, 663, 675, 715, 765, 825, 845, 935, 975, 1105, 1275, 1287, 1485, 1521, 1683, 1755, 1859, 1989, 2145, 2295, 2431, 2475, 2535, 2805, 2873, 2925, 3315, 3575, 3825, 3861, 4225, 4563, 4675, 5049, 5525, 5577, 5967, 6435, 7293, 7425, 7605, 8415, 8619, 8775, 9295, 9945, 10725, 11475, 12155, 12675, 14025, 14365, 16575, 16731, 19305, 21879, 22815, 25245, 25857, 27885, 29835, 31603, 32175, 36465, 38025, 42075, 43095, 46475, 49725, 50193, 60775, 65637, 71825, 77571, 83655, 94809, 96525, 109395, 114075, 126225, 129285, 139425, 149175, 158015, 182325, 215475, 250965, 284427, 328185, 387855, 418275, 474045, 546975, 646425, 790075, 853281, 1254825, 1422135, 1640925, 1939275, 2370225, 4266405, 7110675, 21332025]

約数ペア:

[(1, 21332025), (3, 7110675), (5, 4266405), (9, 2370225), (11, 1939275), (13, 1640925), (15, 1422135), (17, 1254825), (25, 853281), (27, 790075), (33, 646425), (39, 546975), (45, 474045), (51, 418275), (55, 387855), (65, 328185), (75, 284427), (85, 250965), (99, 215475), (117, 182325), (135, 158015), (143, 149175), (153, 139425), (165, 129285), (169, 126225), (187, 114075), (195, 109395), (221, 96525), (225, 94809), (255, 83655), (275, 77571), (297, 71825), (325, 65637), (351, 60775), (425, 50193), (429, 49725), (459, 46475), (495, 43095), (507, 42075), (561, 38025), (585, 36465), (663, 32175), (675, 31603), (715, 29835), (765, 27885), (825, 25857), (845, 25245), (935, 22815), (975, 21879), (1105, 19305), (1275, 16731), (1287, 16575), (1485, 14365), (1521, 14025), (1683, 12675), (1755, 12155), (1859, 11475), (1989, 10725), (2145, 9945), (2295, 9295), (2431, 8775), (2475, 8619), (2535, 8415), (2805, 7605), (2873, 7425), (2925, 7293), (3315, 6435), (3575, 5967), (3825, 5577), (3861, 5525), (4225, 5049), (4563, 4675)]