21103656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{125617}}^1$

素因数の和:125633

約数の個数: 32

約数和(自身を含む): 60296640

約数和(自身を除く): 39192984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 125617, 251234, 376851, 502468, 753702, 879319, 1004936, 1507404, 1758638, 2637957, 3014808, 3517276, 5275914, 7034552, 10551828, 21103656]

約数ペア:

[(1, 21103656), (2, 10551828), (3, 7034552), (4, 5275914), (6, 3517276), (7, 3014808), (8, 2637957), (12, 1758638), (14, 1507404), (21, 1004936), (24, 879319), (28, 753702), (42, 502468), (56, 376851), (84, 251234), (168, 125617)]