21836248

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2617}}^1$

素因数の和:2779

約数の個数: 32

約数和(自身を含む): 47124000

約数和(自身を除く): 25287752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 2617, 4172, 5234, 8344, 10468, 18319, 20936, 36638, 73276, 146552, 389933, 779866, 1559732, 2729531, 3119464, 5459062, 10918124, 21836248]

約数ペア:

[(1, 21836248), (2, 10918124), (4, 5459062), (7, 3119464), (8, 2729531), (14, 1559732), (28, 779866), (56, 389933), (149, 146552), (298, 73276), (596, 36638), (1043, 20936), (1192, 18319), (2086, 10468), (2617, 8344), (4172, 5234)]