21961530

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1427}}^1$

素因数の和:1465

約数の個数: 80

約数和(自身を含む): 62203680

約数和(自身を除く): 40242150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 90, 95, 114, 135, 162, 171, 190, 270, 285, 342, 405, 513, 570, 810, 855, 1026, 1427, 1539, 1710, 2565, 2854, 3078, 4281, 5130, 7135, 7695, 8562, 12843, 14270, 15390, 21405, 25686, 27113, 38529, 42810, 54226, 64215, 77058, 81339, 115587, 128430, 135565, 162678, 192645, 231174, 244017, 271130, 385290, 406695, 488034, 577935, 732051, 813390, 1155870, 1220085, 1464102, 2196153, 2440170, 3660255, 4392306, 7320510, 10980765, 21961530]

約数ペア:

[(1, 21961530), (2, 10980765), (3, 7320510), (5, 4392306), (6, 3660255), (9, 2440170), (10, 2196153), (15, 1464102), (18, 1220085), (19, 1155870), (27, 813390), (30, 732051), (38, 577935), (45, 488034), (54, 406695), (57, 385290), (81, 271130), (90, 244017), (95, 231174), (114, 192645), (135, 162678), (162, 135565), (171, 128430), (190, 115587), (270, 81339), (285, 77058), (342, 64215), (405, 54226), (513, 42810), (570, 38529), (810, 27113), (855, 25686), (1026, 21405), (1427, 15390), (1539, 14270), (1710, 12843), (2565, 8562), (2854, 7695), (3078, 7135), (4281, 5130)]