21998344

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{829}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 43027200

約数和(自身を除く): 21028856

約数列:

[1, 2, 4, 8, 31, 62, 107, 124, 214, 248, 428, 829, 856, 1658, 3316, 3317, 6632, 6634, 13268, 25699, 26536, 51398, 88703, 102796, 177406, 205592, 354812, 709624, 2749793, 5499586, 10999172, 21998344]

約数ペア:

[(1, 21998344), (2, 10999172), (4, 5499586), (8, 2749793), (31, 709624), (62, 354812), (107, 205592), (124, 177406), (214, 102796), (248, 88703), (428, 51398), (829, 26536), (856, 25699), (1658, 13268), (3316, 6634), (3317, 6632)]