21276675

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 120

約数和(自身を含む): 48012800

約数和(自身を除く): 26736125

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 27, 35, 45, 57, 63, 75, 79, 81, 95, 105, 133, 135, 171, 175, 189, 225, 237, 285, 315, 395, 399, 405, 475, 513, 525, 553, 567, 665, 675, 711, 855, 945, 1185, 1197, 1425, 1501, 1539, 1575, 1659, 1975, 1995, 2025, 2133, 2565, 2765, 2835, 3325, 3555, 3591, 4275, 4503, 4725, 4977, 5925, 5985, 6399, 7505, 7695, 8295, 9975, 10507, 10665, 10773, 12825, 13509, 13825, 14175, 14931, 17775, 17955, 22515, 24885, 29925, 31521, 31995, 37525, 38475, 40527, 41475, 44793, 52535, 53325, 53865, 67545, 74655, 89775, 94563, 112575, 121581, 124425, 157605, 159975, 202635, 223965, 262675, 269325, 283689, 337725, 373275, 472815, 607905, 788025, 851067, 1013175, 1119825, 1418445, 2364075, 3039525, 4255335, 7092225, 21276675]

約数ペア:

[(1, 21276675), (3, 7092225), (5, 4255335), (7, 3039525), (9, 2364075), (15, 1418445), (19, 1119825), (21, 1013175), (25, 851067), (27, 788025), (35, 607905), (45, 472815), (57, 373275), (63, 337725), (75, 283689), (79, 269325), (81, 262675), (95, 223965), (105, 202635), (133, 159975), (135, 157605), (171, 124425), (175, 121581), (189, 112575), (225, 94563), (237, 89775), (285, 74655), (315, 67545), (395, 53865), (399, 53325), (405, 52535), (475, 44793), (513, 41475), (525, 40527), (553, 38475), (567, 37525), (665, 31995), (675, 31521), (711, 29925), (855, 24885), (945, 22515), (1185, 17955), (1197, 17775), (1425, 14931), (1501, 14175), (1539, 13825), (1575, 13509), (1659, 12825), (1975, 10773), (1995, 10665), (2025, 10507), (2133, 9975), (2565, 8295), (2765, 7695), (2835, 7505), (3325, 6399), (3555, 5985), (3591, 5925), (4275, 4977), (4503, 4725)]