21826272

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17489}}^1$

素因数の和:17515

約数の個数: 48

約数和(自身を含む): 61704720

約数和(自身を除く): 39878448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 17489, 34978, 52467, 69956, 104934, 139912, 209868, 227357, 279824, 419736, 454714, 559648, 682071, 839472, 909428, 1364142, 1678944, 1818856, 2728284, 3637712, 5456568, 7275424, 10913136, 21826272]

約数ペア:

[(1, 21826272), (2, 10913136), (3, 7275424), (4, 5456568), (6, 3637712), (8, 2728284), (12, 1818856), (13, 1678944), (16, 1364142), (24, 909428), (26, 839472), (32, 682071), (39, 559648), (48, 454714), (52, 419736), (78, 279824), (96, 227357), (104, 209868), (156, 139912), (208, 104934), (312, 69956), (416, 52467), (624, 34978), (1248, 17489)]