21465444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1787}}^1$

素因数の和:1825

約数の個数: 96

約数和(自身を含む): 67286016

約数和(自身を除く): 45820572

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 182, 231, 273, 286, 308, 364, 429, 462, 546, 572, 858, 924, 1001, 1092, 1716, 1787, 2002, 3003, 3574, 4004, 5361, 6006, 7148, 10722, 12012, 12509, 19657, 21444, 23231, 25018, 37527, 39314, 46462, 50036, 58971, 69693, 75054, 78628, 92924, 117942, 137599, 139386, 150108, 162617, 235884, 255541, 275198, 278772, 325234, 412797, 487851, 511082, 550396, 650468, 766623, 825594, 975702, 1022164, 1533246, 1651188, 1788787, 1951404, 3066492, 3577574, 5366361, 7155148, 10732722, 21465444]

約数ペア:

[(1, 21465444), (2, 10732722), (3, 7155148), (4, 5366361), (6, 3577574), (7, 3066492), (11, 1951404), (12, 1788787), (13, 1651188), (14, 1533246), (21, 1022164), (22, 975702), (26, 825594), (28, 766623), (33, 650468), (39, 550396), (42, 511082), (44, 487851), (52, 412797), (66, 325234), (77, 278772), (78, 275198), (84, 255541), (91, 235884), (132, 162617), (143, 150108), (154, 139386), (156, 137599), (182, 117942), (231, 92924), (273, 78628), (286, 75054), (308, 69693), (364, 58971), (429, 50036), (462, 46462), (546, 39314), (572, 37527), (858, 25018), (924, 23231), (1001, 21444), (1092, 19657), (1716, 12509), (1787, 12012), (2002, 10722), (3003, 7148), (3574, 6006), (4004, 5361)]