21060468

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4091}}^1$

素因数の和:4125

約数の個数: 72

約数和(自身を含む): 62558496

約数和(自身を除く): 41498028

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 4091, 5148, 8182, 12273, 16364, 24546, 36819, 45001, 49092, 53183, 73638, 90002, 106366, 135003, 147276, 159549, 180004, 212732, 270006, 319098, 405009, 478647, 540012, 585013, 638196, 810018, 957294, 1170026, 1620036, 1755039, 1914588, 2340052, 3510078, 5265117, 7020156, 10530234, 21060468]

約数ペア:

[(1, 21060468), (2, 10530234), (3, 7020156), (4, 5265117), (6, 3510078), (9, 2340052), (11, 1914588), (12, 1755039), (13, 1620036), (18, 1170026), (22, 957294), (26, 810018), (33, 638196), (36, 585013), (39, 540012), (44, 478647), (52, 405009), (66, 319098), (78, 270006), (99, 212732), (117, 180004), (132, 159549), (143, 147276), (156, 135003), (198, 106366), (234, 90002), (286, 73638), (396, 53183), (429, 49092), (468, 45001), (572, 36819), (858, 24546), (1287, 16364), (1716, 12273), (2574, 8182), (4091, 5148)]