21429296

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2621}}^1$

素因数の和:2709

約数の個数: 40

約数和(自身を含む): 48118944

約数和(自身を除く): 26689648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 2621, 4088, 5242, 8176, 10484, 18347, 20968, 36694, 41936, 73388, 146776, 191333, 293552, 382666, 765332, 1339331, 1530664, 2678662, 3061328, 5357324, 10714648, 21429296]

約数ペア:

[(1, 21429296), (2, 10714648), (4, 5357324), (7, 3061328), (8, 2678662), (14, 1530664), (16, 1339331), (28, 765332), (56, 382666), (73, 293552), (112, 191333), (146, 146776), (292, 73388), (511, 41936), (584, 36694), (1022, 20968), (1168, 18347), (2044, 10484), (2621, 8176), (4088, 5242)]