21992310

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1429}}^1$

素因数の和:1467

約数の個数: 80

約数和(自身を含む): 62290800

約数和(自身を除く): 40298490

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, 1429, 1539, 1710, 2565, 2858, 3078, 4287, 5130, 7145, 7695, 8574, 12861, 14290, 15390, 21435, 25722, 27151, 38583, 42870, 54302, 64305, 77166, 81453, 115749, 128610, 135755, 162906, 192915, 231498, 244359, 271510, 385830, 407265, 488718, 578745, 733077, 814530, 1157490, 1221795, 1466154, 2199231, 2443590, 3665385, 4398462, 7330770, 10996155, 21992310]

約数ペア:

[(1, 21992310), (2, 10996155), (3, 7330770), (5, 4398462), (6, 3665385), (9, 2443590), (10, 2199231), (15, 1466154), (18, 1221795), (19, 1157490), (27, 814530), (30, 733077), (38, 578745), (45, 488718), (54, 407265), (57, 385830), (81, 271510), (90, 244359), (95, 231498), (114, 192915), (135, 162906), (162, 135755), (171, 128610), (190, 115749), (270, 81453), (285, 77166), (342, 64305), (405, 54302), (513, 42870), (570, 38583), (810, 27151), (855, 25722), (1026, 21435), (1429, 15390), (1539, 14290), (1710, 12861), (2565, 8574), (2858, 7695), (3078, 7145), (4287, 5130)]