21516914

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 35389440

約数和(自身を除く): 13872526

約数列:

[1, 2, 23, 31, 46, 62, 79, 158, 191, 382, 713, 1426, 1817, 2449, 3634, 4393, 4898, 5921, 8786, 11842, 15089, 30178, 56327, 112654, 136183, 272366, 347047, 467759, 694094, 935518, 10758457, 21516914]

約数ペア:

[(1, 21516914), (2, 10758457), (23, 935518), (31, 694094), (46, 467759), (62, 347047), (79, 272366), (158, 136183), (191, 112654), (382, 56327), (713, 30178), (1426, 15089), (1817, 11842), (2449, 8786), (3634, 5921), (4393, 4898)]