21472528154

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1\times {\mathrm{2971}}^1$

素因数の和:3723

約数の個数: 64

約数和(自身を含む): 40797333504

約数和(自身を除く): 19324805350

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 497, 661, 781, 994, 1322, 1562, 2971, 4627, 5467, 5942, 7271, 9254, 10934, 14542, 20797, 32681, 41594, 46931, 50897, 65362, 93862, 101794, 210941, 228767, 328517, 421882, 457534, 516241, 657034, 1032482, 1476587, 1963831, 2320351, 2953174, 3613687, 3927662, 4640702, 7227374, 13746817, 16242457, 21602141, 27493634, 32484914, 43204282, 139432001, 151214987, 278864002, 302429974, 976024007, 1533752011, 1952048014, 3067504022, 10736264077, 21472528154]

約数ペア:

[(1, 21472528154), (2, 10736264077), (7, 3067504022), (11, 1952048014), (14, 1533752011), (22, 976024007), (71, 302429974), (77, 278864002), (142, 151214987), (154, 139432001), (497, 43204282), (661, 32484914), (781, 27493634), (994, 21602141), (1322, 16242457), (1562, 13746817), (2971, 7227374), (4627, 4640702), (5467, 3927662), (5942, 3613687), (7271, 2953174), (9254, 2320351), (10934, 1963831), (14542, 1476587), (20797, 1032482), (32681, 657034), (41594, 516241), (46931, 457534), (50897, 421882), (65362, 328517), (93862, 228767), (101794, 210941)]