21400121295

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{39799}}^1$

素因数の和:40389

約数の個数: 64

約数和(自身を含む): 43557120000

約数和(自身を除く): 22156998705

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 569, 945, 1707, 2845, 3983, 5121, 8535, 11949, 15363, 19915, 25605, 35847, 39799, 59745, 76815, 107541, 119397, 179235, 198995, 278593, 358191, 537705, 596985, 835779, 1074573, 1392965, 1790955, 2507337, 4178895, 5372865, 7522011, 12536685, 22645631, 37610055, 67936893, 113228155, 158519417, 203810679, 339684465, 475558251, 611432037, 792597085, 1019053395, 1426674753, 2377791255, 3057160185, 4280024259, 7133373765, 21400121295]

約数ペア:

[(1, 21400121295), (3, 7133373765), (5, 4280024259), (7, 3057160185), (9, 2377791255), (15, 1426674753), (21, 1019053395), (27, 792597085), (35, 611432037), (45, 475558251), (63, 339684465), (105, 203810679), (135, 158519417), (189, 113228155), (315, 67936893), (569, 37610055), (945, 22645631), (1707, 12536685), (2845, 7522011), (3983, 5372865), (5121, 4178895), (8535, 2507337), (11949, 1790955), (15363, 1392965), (19915, 1074573), (25605, 835779), (35847, 596985), (39799, 537705), (59745, 358191), (76815, 278593), (107541, 198995), (119397, 179235)]