21842912

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{577}}^1$

素因数の和:620

約数の個数: 72

約数和(自身を含む): 53310096

約数和(自身を除く): 31467184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 577, 676, 728, 1154, 1183, 1352, 1456, 2308, 2366, 2704, 2912, 4039, 4616, 4732, 5408, 7501, 8078, 9232, 9464, 15002, 16156, 18464, 18928, 30004, 32312, 37856, 52507, 60008, 64624, 97513, 105014, 120016, 129248, 195026, 210028, 240032, 390052, 420056, 682591, 780104, 840112, 1365182, 1560208, 1680224, 2730364, 3120416, 5460728, 10921456, 21842912]

約数ペア:

[(1, 21842912), (2, 10921456), (4, 5460728), (7, 3120416), (8, 2730364), (13, 1680224), (14, 1560208), (16, 1365182), (26, 840112), (28, 780104), (32, 682591), (52, 420056), (56, 390052), (91, 240032), (104, 210028), (112, 195026), (169, 129248), (182, 120016), (208, 105014), (224, 97513), (338, 64624), (364, 60008), (416, 52507), (577, 37856), (676, 32312), (728, 30004), (1154, 18928), (1183, 18464), (1352, 16156), (1456, 15002), (2308, 9464), (2366, 9232), (2704, 8078), (2912, 7501), (4039, 5408), (4616, 4732)]