21612690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:429

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 44742510

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 27, 30, 33, 38, 45, 54, 55, 57, 66, 90, 95, 99, 110, 114, 135, 165, 171, 190, 198, 209, 270, 285, 297, 330, 342, 383, 418, 495, 513, 570, 594, 627, 766, 855, 990, 1026, 1045, 1149, 1254, 1485, 1710, 1881, 1915, 2090, 2298, 2565, 2970, 3135, 3447, 3762, 3830, 4213, 5130, 5643, 5745, 6270, 6894, 7277, 8426, 9405, 10341, 11286, 11490, 12639, 14554, 17235, 18810, 20682, 21065, 21831, 25278, 28215, 34470, 36385, 37917, 42130, 43662, 51705, 56430, 63195, 65493, 72770, 75834, 80047, 103410, 109155, 113751, 126390, 130986, 160094, 189585, 196479, 218310, 227502, 240141, 327465, 379170, 392958, 400235, 480282, 568755, 654930, 720423, 800470, 982395, 1137510, 1200705, 1440846, 1964790, 2161269, 2401410, 3602115, 4322538, 7204230, 10806345, 21612690]

約数ペア:

[(1, 21612690), (2, 10806345), (3, 7204230), (5, 4322538), (6, 3602115), (9, 2401410), (10, 2161269), (11, 1964790), (15, 1440846), (18, 1200705), (19, 1137510), (22, 982395), (27, 800470), (30, 720423), (33, 654930), (38, 568755), (45, 480282), (54, 400235), (55, 392958), (57, 379170), (66, 327465), (90, 240141), (95, 227502), (99, 218310), (110, 196479), (114, 189585), (135, 160094), (165, 130986), (171, 126390), (190, 113751), (198, 109155), (209, 103410), (270, 80047), (285, 75834), (297, 72770), (330, 65493), (342, 63195), (383, 56430), (418, 51705), (495, 43662), (513, 42130), (570, 37917), (594, 36385), (627, 34470), (766, 28215), (855, 25278), (990, 21831), (1026, 21065), (1045, 20682), (1149, 18810), (1254, 17235), (1485, 14554), (1710, 12639), (1881, 11490), (1915, 11286), (2090, 10341), (2298, 9405), (2565, 8426), (2970, 7277), (3135, 6894), (3447, 6270), (3762, 5745), (3830, 5643), (4213, 5130)]