21222208

素因数分解:

$2^6\times 7^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:519

約数の個数: 56

約数和(自身を含む): 48637952

約数和(自身を除く): 27415744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 224, 254, 373, 448, 508, 746, 889, 1016, 1492, 1778, 2032, 2611, 2984, 3556, 4064, 5222, 5968, 7112, 8128, 10444, 11936, 14224, 20888, 23872, 28448, 41776, 47371, 56896, 83552, 94742, 167104, 189484, 331597, 378968, 663194, 757936, 1326388, 1515872, 2652776, 3031744, 5305552, 10611104, 21222208]

約数ペア:

[(1, 21222208), (2, 10611104), (4, 5305552), (7, 3031744), (8, 2652776), (14, 1515872), (16, 1326388), (28, 757936), (32, 663194), (56, 378968), (64, 331597), (112, 189484), (127, 167104), (224, 94742), (254, 83552), (373, 56896), (448, 47371), (508, 41776), (746, 28448), (889, 23872), (1016, 20888), (1492, 14224), (1778, 11936), (2032, 10444), (2611, 8128), (2984, 7112), (3556, 5968), (4064, 5222)]