21130470

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1373}}^1$

素因数の和:1411

約数の個数: 80

約数和(自身を含む): 59851440

約数和(自身を除く): 38720970

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, 1373, 1539, 1710, 2565, 2746, 3078, 4119, 5130, 6865, 7695, 8238, 12357, 13730, 15390, 20595, 24714, 26087, 37071, 41190, 52174, 61785, 74142, 78261, 111213, 123570, 130435, 156522, 185355, 222426, 234783, 260870, 370710, 391305, 469566, 556065, 704349, 782610, 1112130, 1173915, 1408698, 2113047, 2347830, 3521745, 4226094, 7043490, 10565235, 21130470]

約数ペア:

[(1, 21130470), (2, 10565235), (3, 7043490), (5, 4226094), (6, 3521745), (9, 2347830), (10, 2113047), (15, 1408698), (18, 1173915), (19, 1112130), (27, 782610), (30, 704349), (38, 556065), (45, 469566), (54, 391305), (57, 370710), (81, 260870), (90, 234783), (95, 222426), (114, 185355), (135, 156522), (162, 130435), (171, 123570), (190, 111213), (270, 78261), (285, 74142), (342, 61785), (405, 52174), (513, 41190), (570, 37071), (810, 26087), (855, 24714), (1026, 20595), (1373, 15390), (1539, 13730), (1710, 12357), (2565, 8238), (2746, 7695), (3078, 6865), (4119, 5130)]