21801304

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5333}}^1$

素因数の和:5419

約数の個数: 32

約数和(自身を含む): 47365920

約数和(自身を除く): 25564616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 5333, 10666, 21332, 37331, 42664, 74662, 149324, 298648, 389309, 778618, 1557236, 2725163, 3114472, 5450326, 10900652, 21801304]

約数ペア:

[(1, 21801304), (2, 10900652), (4, 5450326), (7, 3114472), (8, 2725163), (14, 1557236), (28, 778618), (56, 389309), (73, 298648), (146, 149324), (292, 74662), (511, 42664), (584, 37331), (1022, 21332), (2044, 10666), (4088, 5333)]