21917344

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 45638208

約数和(自身を除く): 23720864

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 97, 184, 194, 307, 368, 388, 614, 736, 776, 1228, 1552, 2231, 2456, 3104, 4462, 4912, 7061, 8924, 9824, 14122, 17848, 28244, 29779, 35696, 56488, 59558, 71392, 112976, 119116, 225952, 238232, 476464, 684917, 952928, 1369834, 2739668, 5479336, 10958672, 21917344]

約数ペア:

[(1, 21917344), (2, 10958672), (4, 5479336), (8, 2739668), (16, 1369834), (23, 952928), (32, 684917), (46, 476464), (92, 238232), (97, 225952), (184, 119116), (194, 112976), (307, 71392), (368, 59558), (388, 56488), (614, 35696), (736, 29779), (776, 28244), (1228, 17848), (1552, 14122), (2231, 9824), (2456, 8924), (3104, 7061), (4462, 4912)]