21516946

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 36365760

約数和(自身を除く): 14848814

約数列:

[1, 2, 11, 22, 59, 118, 121, 137, 242, 274, 649, 1298, 1331, 1507, 2662, 3014, 7139, 8083, 14278, 16166, 16577, 33154, 78529, 88913, 157058, 177826, 182347, 364694, 978043, 1956086, 10758473, 21516946]

約数ペア:

[(1, 21516946), (2, 10758473), (11, 1956086), (22, 978043), (59, 364694), (118, 182347), (121, 177826), (137, 157058), (242, 88913), (274, 78529), (649, 33154), (1298, 16577), (1331, 16166), (1507, 14278), (2662, 8083), (3014, 7139)]