21635768

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 53114880

約数和(自身を除く): 31479112

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 103, 121, 124, 154, 206, 217, 242, 248, 308, 341, 412, 434, 484, 616, 682, 721, 824, 847, 868, 968, 1133, 1364, 1442, 1694, 1736, 2266, 2387, 2728, 2884, 3193, 3388, 3751, 4532, 4774, 5768, 6386, 6776, 7502, 7931, 9064, 9548, 12463, 12772, 15004, 15862, 19096, 22351, 24926, 25544, 26257, 30008, 31724, 35123, 44702, 49852, 52514, 63448, 70246, 87241, 89404, 99704, 105028, 140492, 174482, 178808, 210056, 245861, 280984, 348964, 386353, 491722, 697928, 772706, 983444, 1545412, 1966888, 2704471, 3090824, 5408942, 10817884, 21635768]

約数ペア:

[(1, 21635768), (2, 10817884), (4, 5408942), (7, 3090824), (8, 2704471), (11, 1966888), (14, 1545412), (22, 983444), (28, 772706), (31, 697928), (44, 491722), (56, 386353), (62, 348964), (77, 280984), (88, 245861), (103, 210056), (121, 178808), (124, 174482), (154, 140492), (206, 105028), (217, 99704), (242, 89404), (248, 87241), (308, 70246), (341, 63448), (412, 52514), (434, 49852), (484, 44702), (616, 35123), (682, 31724), (721, 30008), (824, 26257), (847, 25544), (868, 24926), (968, 22351), (1133, 19096), (1364, 15862), (1442, 15004), (1694, 12772), (1736, 12463), (2266, 9548), (2387, 9064), (2728, 7931), (2884, 7502), (3193, 6776), (3388, 6386), (3751, 5768), (4532, 4774)]