21807630

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:160

約数の個数: 160

約数和(自身を含む): 67082400

約数和(自身を除く): 45274770

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 27, 30, 38, 39, 45, 54, 57, 65, 78, 81, 90, 95, 109, 114, 117, 130, 135, 162, 171, 190, 195, 218, 234, 247, 270, 285, 327, 342, 351, 390, 405, 494, 513, 545, 570, 585, 654, 702, 741, 810, 855, 981, 1026, 1053, 1090, 1170, 1235, 1417, 1482, 1539, 1635, 1710, 1755, 1962, 2071, 2106, 2223, 2470, 2565, 2834, 2943, 3078, 3270, 3510, 3705, 4142, 4251, 4446, 4905, 5130, 5265, 5886, 6213, 6669, 7085, 7410, 7695, 8502, 8829, 9810, 10355, 10530, 11115, 12426, 12753, 13338, 14170, 14715, 15390, 17658, 18639, 20007, 20710, 21255, 22230, 25506, 26923, 29430, 31065, 33345, 37278, 38259, 40014, 42510, 44145, 53846, 55917, 62130, 63765, 66690, 76518, 80769, 88290, 93195, 100035, 111834, 114777, 127530, 134615, 161538, 167751, 186390, 191295, 200070, 229554, 242307, 269230, 279585, 335502, 382590, 403845, 484614, 559170, 573885, 726921, 807690, 838755, 1147770, 1211535, 1453842, 1677510, 2180763, 2423070, 3634605, 4361526, 7269210, 10903815, 21807630]

約数ペア:

[(1, 21807630), (2, 10903815), (3, 7269210), (5, 4361526), (6, 3634605), (9, 2423070), (10, 2180763), (13, 1677510), (15, 1453842), (18, 1211535), (19, 1147770), (26, 838755), (27, 807690), (30, 726921), (38, 573885), (39, 559170), (45, 484614), (54, 403845), (57, 382590), (65, 335502), (78, 279585), (81, 269230), (90, 242307), (95, 229554), (109, 200070), (114, 191295), (117, 186390), (130, 167751), (135, 161538), (162, 134615), (171, 127530), (190, 114777), (195, 111834), (218, 100035), (234, 93195), (247, 88290), (270, 80769), (285, 76518), (327, 66690), (342, 63765), (351, 62130), (390, 55917), (405, 53846), (494, 44145), (513, 42510), (545, 40014), (570, 38259), (585, 37278), (654, 33345), (702, 31065), (741, 29430), (810, 26923), (855, 25506), (981, 22230), (1026, 21255), (1053, 20710), (1090, 20007), (1170, 18639), (1235, 17658), (1417, 15390), (1482, 14715), (1539, 14170), (1635, 13338), (1710, 12753), (1755, 12426), (1962, 11115), (2071, 10530), (2106, 10355), (2223, 9810), (2470, 8829), (2565, 8502), (2834, 7695), (2943, 7410), (3078, 7085), (3270, 6669), (3510, 6213), (3705, 5886), (4142, 5265), (4251, 5130), (4446, 4905)]